颠倒一个整数的字节顺序。
unsigned short _byteswap_ushort (
unsigned short val
);
unsigned long _byteswap_ulong (
unsigned long val
);
unsigned __int64 _byteswap_uint64 (
unsigned __int64 val
);
参数
- val
整数颠倒字节顺序。
要求
例程 |
必需的标头 |
|---|---|
_byteswap_ushort |
<stdlib.h> |
_byteswap_ulong |
<stdlib.h> |
_byteswap_uint64 |
<stdlib.h> |
有关更多兼容性信息，请参见“简介”中的兼容性。
示例
// crt_byteswap.c
#include <stdlib.h>
int main()
{
unsigned __int64 u64 = 0x0102030405060708;
unsigned long ul = 0x01020304;
printf("byteswap of %I64x = %I64x\n", u64, _byteswap_uint64(u64));
printf("byteswap of %Ix = %Ix", ul, _byteswap_ulong(ul));
}