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