scc

 1#include <wchar.h>
 2
 3#undef wcscpy
 4
 5wchar_t *
 6wcscpy(wchar_t * restrict s1, const wchar_t * restrict s2)
 7{
 8	wchar_t *ret = s1;
 9
10	while ((*s1++ = *s2++) != '\0')
11		;
12
13	return ret;
14
15}
16