#ifndef _ENDIAN_H #define _ENDIAN_H #define __LITTLE_ENDIAN 1234 #define __BIG_ENDIAN 4321 #define __PDP_ENDIAN 3412 #include #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) #define BIG_ENDIAN __BIG_ENDIAN #define LITTLE_ENDIAN __LITTLE_ENDIAN #define PDP_ENDIAN __PDP_ENDIAN #define BYTE_ORDER __BYTE_ORDER #endif #endif