// ------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
// ------------------------------------------------------------------------------

using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using HexaGen.Runtime;
using System.Numerics;

namespace Dalamud.Bindings.ImGui
{
	public unsafe partial class ImGuiP
	{

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ref byte haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ref byte haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ref byte haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ref byte haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ref byte haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ref byte haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ref byte haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ref byte haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ref byte haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ref byte haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, ReadOnlySpan<byte> haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, ReadOnlySpan<byte> haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = &needleEnd)
				{
					byte* ret = ImStristrNative((byte*)phaystack, pStr0, pStr1, (byte*)pneedleEnd);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = &needleEnd)
				{
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, pStr1, (byte*)pneedleEnd));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = needleEnd)
				{
					byte* ret = ImStristrNative((byte*)phaystack, pStr0, pStr1, (byte*)pneedleEnd);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = needleEnd)
				{
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, pStr1, (byte*)pneedleEnd));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ref byte haystack, string haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				byte* pStr2 = null;
				int pStrSize2 = 0;
				if (needleEnd != null)
				{
					pStrSize2 = Utils.GetByteCountUTF8(needleEnd);
					if (pStrSize2 >= Utils.MaxStackallocSize)
					{
						pStr2 = Utils.Alloc<byte>(pStrSize2 + 1);
					}
					else
					{
						byte* pStrStack2 = stackalloc byte[pStrSize2 + 1];
						pStr2 = pStrStack2;
					}
					int pStrOffset2 = Utils.EncodeStringUTF8(needleEnd, pStr2, pStrSize2);
					pStr2[pStrOffset2] = 0;
				}
				byte* ret = ImStristrNative((byte*)phaystack, pStr0, pStr1, pStr2);
				if (pStrSize2 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr2);
				}
				if (pStrSize1 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr1);
				}
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr0);
				}
				return ret;
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ref byte haystack, string haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = &haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				byte* pStr2 = null;
				int pStrSize2 = 0;
				if (needleEnd != null)
				{
					pStrSize2 = Utils.GetByteCountUTF8(needleEnd);
					if (pStrSize2 >= Utils.MaxStackallocSize)
					{
						pStr2 = Utils.Alloc<byte>(pStrSize2 + 1);
					}
					else
					{
						byte* pStrStack2 = stackalloc byte[pStrSize2 + 1];
						pStr2 = pStrStack2;
					}
					int pStrOffset2 = Utils.EncodeStringUTF8(needleEnd, pStr2, pStrSize2);
					pStr2[pStrOffset2] = 0;
				}
				string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, pStr1, pStr2));
				if (pStrSize2 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr2);
				}
				if (pStrSize1 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr1);
				}
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr0);
				}
				return ret;
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ref byte haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ref byte haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = &haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						fixed (byte* pneedleEnd = needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = &needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						fixed (byte* pneedleEnd = &needleEnd)
						{
							string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
							return ret;
						}
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					fixed (byte* pneedle = needle)
					{
						byte* pStr0 = null;
						int pStrSize0 = 0;
						if (needleEnd != null)
						{
							pStrSize0 = Utils.GetByteCountUTF8(needleEnd);
							if (pStrSize0 >= Utils.MaxStackallocSize)
							{
								pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
							}
							else
							{
								byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
								pStr0 = pStrStack0;
							}
							int pStrOffset0 = Utils.EncodeStringUTF8(needleEnd, pStr0, pStrSize0);
							pStr0[pStrOffset0] = 0;
						}
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, (byte*)pneedle, pStr0));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, ReadOnlySpan<byte> haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				fixed (byte* phaystackEnd = haystackEnd)
				{
					byte* pStr0 = null;
					int pStrSize0 = 0;
					if (needle != null)
					{
						pStrSize0 = Utils.GetByteCountUTF8(needle);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
						}
						else
						{
							byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
							pStr0 = pStrStack0;
						}
						int pStrOffset0 = Utils.EncodeStringUTF8(needle, pStr0, pStrSize0);
						pStr0[pStrOffset0] = 0;
					}
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, (byte*)phaystackEnd, pStr0, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, ref byte needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, ref byte needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = &needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				fixed (byte* pneedle = needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, (byte*)pneedle, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = &needleEnd)
				{
					byte* ret = ImStristrNative((byte*)phaystack, pStr0, pStr1, (byte*)pneedleEnd);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, string needle, ref byte needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = &needleEnd)
				{
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, pStr1, (byte*)pneedleEnd));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = needleEnd)
				{
					byte* ret = ImStristrNative((byte*)phaystack, pStr0, pStr1, (byte*)pneedleEnd);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = needleEnd)
				{
					string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, pStr1, (byte*)pneedleEnd));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(ReadOnlySpan<byte> haystack, string haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				byte* pStr2 = null;
				int pStrSize2 = 0;
				if (needleEnd != null)
				{
					pStrSize2 = Utils.GetByteCountUTF8(needleEnd);
					if (pStrSize2 >= Utils.MaxStackallocSize)
					{
						pStr2 = Utils.Alloc<byte>(pStrSize2 + 1);
					}
					else
					{
						byte* pStrStack2 = stackalloc byte[pStrSize2 + 1];
						pStr2 = pStrStack2;
					}
					int pStrOffset2 = Utils.EncodeStringUTF8(needleEnd, pStr2, pStrSize2);
					pStr2[pStrOffset2] = 0;
				}
				byte* ret = ImStristrNative((byte*)phaystack, pStr0, pStr1, pStr2);
				if (pStrSize2 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr2);
				}
				if (pStrSize1 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr1);
				}
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr0);
				}
				return ret;
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(ReadOnlySpan<byte> haystack, string haystackEnd, string needle, string needleEnd)
		{
			fixed (byte* phaystack = haystack)
			{
				byte* pStr0 = null;
				int pStrSize0 = 0;
				if (haystackEnd != null)
				{
					pStrSize0 = Utils.GetByteCountUTF8(haystackEnd);
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
					}
					else
					{
						byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
						pStr0 = pStrStack0;
					}
					int pStrOffset0 = Utils.EncodeStringUTF8(haystackEnd, pStr0, pStrSize0);
					pStr0[pStrOffset0] = 0;
				}
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				byte* pStr2 = null;
				int pStrSize2 = 0;
				if (needleEnd != null)
				{
					pStrSize2 = Utils.GetByteCountUTF8(needleEnd);
					if (pStrSize2 >= Utils.MaxStackallocSize)
					{
						pStr2 = Utils.Alloc<byte>(pStrSize2 + 1);
					}
					else
					{
						byte* pStrStack2 = stackalloc byte[pStrSize2 + 1];
						pStr2 = pStrStack2;
					}
					int pStrOffset2 = Utils.EncodeStringUTF8(needleEnd, pStr2, pStrSize2);
					pStr2[pStrOffset2] = 0;
				}
				string ret = Utils.DecodeStringUTF8(ImStristrNative((byte*)phaystack, pStr0, pStr1, pStr2));
				if (pStrSize2 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr2);
				}
				if (pStrSize1 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr1);
				}
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr0);
				}
				return ret;
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, ref byte needle, ref byte needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, ref byte needle, ref byte needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, ref byte needle, ReadOnlySpan<byte> needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = &needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, ref byte needle, string needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = &needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, ref byte needle, string needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = &needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ref byte needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = &needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd);
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, ReadOnlySpan<byte> needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = needle)
				{
					fixed (byte* pneedleEnd = needleEnd)
					{
						string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, (byte*)pneedleEnd));
						if (pStrSize0 >= Utils.MaxStackallocSize)
						{
							Utils.Free(pStr0);
						}
						return ret;
					}
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, pStr1);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, ReadOnlySpan<byte> needle, string needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				fixed (byte* pneedle = needle)
				{
					byte* pStr1 = null;
					int pStrSize1 = 0;
					if (needleEnd != null)
					{
						pStrSize1 = Utils.GetByteCountUTF8(needleEnd);
						if (pStrSize1 >= Utils.MaxStackallocSize)
						{
							pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
						}
						else
						{
							byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
							pStr1 = pStrStack1;
						}
						int pStrOffset1 = Utils.EncodeStringUTF8(needleEnd, pStr1, pStrSize1);
						pStr1[pStrOffset1] = 0;
					}
					string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, (byte*)pneedle, pStr1));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, string needle, ref byte needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = &needleEnd)
				{
					byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, pStr1, (byte*)pneedleEnd);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, string needle, ref byte needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = &needleEnd)
				{
					string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, pStr1, (byte*)pneedleEnd));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = needleEnd)
				{
					byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, pStr1, (byte*)pneedleEnd);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, string needle, ReadOnlySpan<byte> needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				fixed (byte* pneedleEnd = needleEnd)
				{
					string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, pStr1, (byte*)pneedleEnd));
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr1);
					}
					if (pStrSize0 >= Utils.MaxStackallocSize)
					{
						Utils.Free(pStr0);
					}
					return ret;
				}
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static byte* ImStristr(string haystack, ref byte haystackEnd, string needle, string needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				byte* pStr2 = null;
				int pStrSize2 = 0;
				if (needleEnd != null)
				{
					pStrSize2 = Utils.GetByteCountUTF8(needleEnd);
					if (pStrSize2 >= Utils.MaxStackallocSize)
					{
						pStr2 = Utils.Alloc<byte>(pStrSize2 + 1);
					}
					else
					{
						byte* pStrStack2 = stackalloc byte[pStrSize2 + 1];
						pStr2 = pStrStack2;
					}
					int pStrOffset2 = Utils.EncodeStringUTF8(needleEnd, pStr2, pStrSize2);
					pStr2[pStrOffset2] = 0;
				}
				byte* ret = ImStristrNative(pStr0, (byte*)phaystackEnd, pStr1, pStr2);
				if (pStrSize2 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr2);
				}
				if (pStrSize1 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr1);
				}
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr0);
				}
				return ret;
			}
		}

		/// <summary>
		/// To be documented.
		/// </summary>
		public static string ImStristrS(string haystack, ref byte haystackEnd, string needle, string needleEnd)
		{
			byte* pStr0 = null;
			int pStrSize0 = 0;
			if (haystack != null)
			{
				pStrSize0 = Utils.GetByteCountUTF8(haystack);
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					pStr0 = Utils.Alloc<byte>(pStrSize0 + 1);
				}
				else
				{
					byte* pStrStack0 = stackalloc byte[pStrSize0 + 1];
					pStr0 = pStrStack0;
				}
				int pStrOffset0 = Utils.EncodeStringUTF8(haystack, pStr0, pStrSize0);
				pStr0[pStrOffset0] = 0;
			}
			fixed (byte* phaystackEnd = &haystackEnd)
			{
				byte* pStr1 = null;
				int pStrSize1 = 0;
				if (needle != null)
				{
					pStrSize1 = Utils.GetByteCountUTF8(needle);
					if (pStrSize1 >= Utils.MaxStackallocSize)
					{
						pStr1 = Utils.Alloc<byte>(pStrSize1 + 1);
					}
					else
					{
						byte* pStrStack1 = stackalloc byte[pStrSize1 + 1];
						pStr1 = pStrStack1;
					}
					int pStrOffset1 = Utils.EncodeStringUTF8(needle, pStr1, pStrSize1);
					pStr1[pStrOffset1] = 0;
				}
				byte* pStr2 = null;
				int pStrSize2 = 0;
				if (needleEnd != null)
				{
					pStrSize2 = Utils.GetByteCountUTF8(needleEnd);
					if (pStrSize2 >= Utils.MaxStackallocSize)
					{
						pStr2 = Utils.Alloc<byte>(pStrSize2 + 1);
					}
					else
					{
						byte* pStrStack2 = stackalloc byte[pStrSize2 + 1];
						pStr2 = pStrStack2;
					}
					int pStrOffset2 = Utils.EncodeStringUTF8(needleEnd, pStr2, pStrSize2);
					pStr2[pStrOffset2] = 0;
				}
				string ret = Utils.DecodeStringUTF8(ImStristrNative(pStr0, (byte*)phaystackEnd, pStr1, pStr2));
				if (pStrSize2 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr2);
				}
				if (pStrSize1 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr1);
				}
				if (pStrSize0 >= Utils.MaxStackallocSize)
				{
					Utils.Free(pStr0);
				}
				return ret;
			}
		}
	}
}