1#include <wchar.h>
 2#include <stdint.h>
 3
 4wchar_t *wmemmove(wchar_t *d, const wchar_t *s, size_t n)
 5{
 6	wchar_t *d0 = d;
 7	if (d == s) return d;
 8	if ((uintptr_t)d-(uintptr_t)s < n * sizeof *d)
 9		while (n--) d[n] = s[n];
10	else
11		while (n--) *d++ = *s++;
12	return d0;
13}