1#ifndef _BYTESWAP_H 2#define _BYTESWAP_H 3 4#include <features.h> 5#include <stdint.h> 6 7static __inline uint16_t __bswap_16(uint16_t __x) 8{ 9 return (__x<<8) | (__x>>8); 10} 11 12static __inline uint32_t __bswap_32(uint32_t __x) 13{ 14 return (__x>>24) | (__x>>8&0xff00) | (__x<<8&0xff0000) | (__x<<24); 15} 16 17static __inline uint64_t __bswap_64(uint64_t __x) 18{ 19 return ((__bswap_32(__x)+0ULL)<<32) | __bswap_32(__x>>32); 20} 21 22#define bswap_16(x) __bswap_16(x) 23#define bswap_32(x) __bswap_32(x) 24#define bswap_64(x) __bswap_64(x) 25 26#endif 27