| #ifndef _STD_H |
| #define _STD_H |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| void *memset(void *s, int c, size_t n); |
| void *memcpy(void *dst, const void *src, size_t n); |
| void *memmove(void *dst, const void *src, size_t n); |
| int memcmp(const void *a, const void *b, size_t n); |
| |
| size_t strlen(const char *str); |
| int strcmp(const char *a, const char *b); |
| |
| #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| |
| #define be16toh(v) __builtin_bswap16(v) |
| #define be32toh(v) __builtin_bswap32(v) |
| #define be64toh(v) __builtin_bswap64(v) |
| |
| #define htobe16(v) __builtin_bswap16(v) |
| #define htobe32(v) __builtin_bswap32(v) |
| #define htobe64(v) __builtin_bswap64(v) |
| |
| #define le16toh(v) (v) |
| #define le32toh(v) (v) |
| #define le64toh(v) (v) |
| |
| #define htole16(v) (v) |
| #define htole32(v) (v) |
| #define htole64(v) (v) |
| |
| #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| |
| #define be16toh(v) (v) |
| #define be32toh(v) (v) |
| #define be64toh(v) (v) |
| |
| #define htobe16(v) (v) |
| #define htobe32(v) (v) |
| #define htobe64(v) (v) |
| |
| #define le16toh(v) __builtin_bswap16(v) |
| #define le32toh(v) __builtin_bswap32(v) |
| #define le64toh(v) __builtin_bswap64(v) |
| |
| #define htole16(v) __builtin_bswap16(v) |
| #define htole32(v) __builtin_bswap32(v) |
| #define htole64(v) __builtin_bswap64(v) |
| |
| #else /* __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__ && \ |
| __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__ */ |
| |
| #error "Unsupported byte order" |
| |
| #endif |
| |
| #endif /* STD_H */ |
