1#include <unistd.h>
 2
 3void swab(const void *restrict _src, void *restrict _dest, ssize_t n)
 4{
 5	const char *src = _src;
 6	char *dest = _dest;
 7	for (; n>1; n-=2) {
 8		dest[0] = src[1];
 9		dest[1] = src[0];
10		dest += 2;
11		src += 2;
12	}
13}