#ifndef _BYTESWAP_H
#define _BYTESWAP_H
+#include <features.h>
#include <stdint.h>
-#if __STDC_VERSION__ >= 199901L || defined(__cplusplus)
-#define __inline inline
-#endif
-
static __inline uint16_t __bswap_16(uint16_t __x)
{
return __x<<8 | __x>>8;