1#include <stdlib.h>
 2#include <wchar.h>
 3
 4wchar_t *wcsdup(const wchar_t *s)
 5{
 6	size_t l = wcslen(s);
 7	wchar_t *d = malloc((l+1)*sizeof(wchar_t));
 8	if (!d) return NULL;
 9	return wmemcpy(d, s, l+1);
10}