1 #include <wchar.h>
2 
wcscpy(wchar_t * restrict d,const wchar_t * restrict s)3 wchar_t* wcscpy(wchar_t* restrict d, const wchar_t* restrict s) {
4     wchar_t* a = d;
5     while ((*d++ = *s++))
6         ;
7     return a;
8 }
9