1#include <wchar.h>
2
3wchar_t *wcsncpy(wchar_t *restrict d, const wchar_t *restrict s, size_t n)
4{
5	wchar_t *a = d;
6	while (n && *s) n--, *d++ = *s++;
7	wmemset(d, 0, n);
8	return a;
9}
10