text: // "License": Public Domain
  // I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
  // In case there are jurisdictions that don't support putting things in the public domain you can also consider it to
  // be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it
  // an example on how to get the endian conversion functions on different platforms.
  
  #ifndef PORTABLE_ENDIAN_H__
  #define PORTABLE_ENDIAN_H__
  
  #if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
  
  #	define __WINDOWS__
  
  #endif
  
  #if defined(__linux__) || defined(__CYGWIN__)
  
  #	include <endian.h>
  
  #elif defined(__APPLE__)
  
  #	include <libkern/OSByteOrder.h>
  
  #	define htobe16(x) OSSwapHostToBigInt16(x)
  #	define htole16(x) OSSwapHostToLittleInt16(x)
  #	define be16toh(x) OSSwapBigToHostInt16(x)
  #	define le16toh(x) OSSwapLittleToHostInt16(x)
   
  #	define htobe32(x) OSSwapHostToBigInt32(x)
  #	define htole32(x) OSSwapHostToLittleInt32(x)
  #	define be32toh(x) OSSwapBigToHostInt32(x)
  #	define le32toh(x) OSSwapLittleToHostInt32(x)
   
  #	define htobe64(x) OSSwapHostToBigInt64(x)
  #	define htole64(x) OSSwapHostToLittleInt64(x)
  #	define be64toh(x) OSSwapBigToHostInt64(x)
  #	define le64toh(x) OSSwapLittleToHostInt64(x)
  
  #	define __BYTE_ORDER    BYTE_ORDER
  #	define __BIG_ENDIAN    BIG_ENDIAN
  #	define __LITTLE_ENDIAN LITTLE_ENDIAN
  #	define __PDP_ENDIAN    PDP_ENDIAN
  
  #elif defined(__OpenBSD__)
  
  #	include <sys/endian.h>
  
  #elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
  
  #	include <sys/endian.h>
  
  #	define be16toh(x) betoh16(x)
  #	define le16toh(x) letoh16(x)
  
  #	define be32toh(x) betoh32(x)
  #	define le32toh(x) letoh32(x)
  
  #	define be64toh(x) betoh64(x)
  #	define le64toh(x) letoh64(x)
  
  #elif defined(__WINDOWS__)
  
  #	include <winsock2.h>
  #	include <sys/param.h>
  
  #	if BYTE_ORDER == LITTLE_ENDIAN
  
  #		define htobe16(x) htons(x)
  #		define htole16(x) (x)
  #		define be16toh(x) ntohs(x)
  #		define le16toh(x) (x)
   
  #		define htobe32(x) htonl(x)
  #		define htole32(x) (x)
  #		define be32toh(x) ntohl(x)
  #		define le32toh(x) (x)
   
  #		define htobe64(x) htonll(x)
  #		define htole64(x) (x)
  #		define be64toh(x) ntohll(x)
  #		define le64toh(x) (x)
  
  #	elif BYTE_ORDER == BIG_ENDIAN
  
  		/* that would be xbox 360 */
  #		define htobe16(x) (x)
  #		define htole16(x) __builtin_bswap16(x)
  #		define be16toh(x) (x)
  #		define le16toh(x) __builtin_bswap16(x)
   
  #		define htobe32(x) (x)
  #		define htole32(x) __builtin_bswap32(x)
  #		define be32toh(x) (x)
  #		define le32toh(x) __builtin_bswap32(x)
   
  #		define htobe64(x) (x)
  #		define htole64(x) __builtin_bswap64(x)
  #		define be64toh(x) (x)
  #		define le64toh(x) __builtin_bswap64(x)
  
  #	else
  
  #		error byte order not supported
  
  #	endif
  
  #	define __BYTE_ORDER    BYTE_ORDER
  #	define __BIG_ENDIAN    BIG_ENDIAN
  #	define __LITTLE_ENDIAN LITTLE_ENDIAN
  #	define __PDP_ENDIAN    PDP_ENDIAN
  
  #else
  
  #	error platform not supported
  
  #endif
  
  #endif