/* Host swap macros */
#ifndef __HOSTSWAP_DEFINED
-#if __BYTE_ORDER == __LITTLE_ENDIAN
+#if _BYTE_ORDER == _LITTLE_ENDIAN
#define htobe16(x) bswap16((x))
#define htole16(x) ((uint16_t)(x))
#define be16toh(x) bswap16((x))
#define htole64(x) ((uint64_t)(x))
#define be64toh(x) bswap64((x))
#define le64toh(x) ((uint64_t)(x))
-#elif __BYTE_ORDER == __BIG_ENDIAN
+#elif _BYTE_ORDER == _BIG_ENDIAN
#define htobe16(x) ((uint16_t)(x))
#define htole16(x) bswap16((x))
#define be16toh(x) ((uint16_t)(x))