std::wcscpy (3) - Linux Man Pages
Defined in header <cwchar>
wchar_t *wcscpy( wchar_t *dest, const wchar_t *src );
Copies the wide string pointed to by src (including the terminating null wide character) to wide character array pointed to by dest.
If the strings overlap, the behavior is undefined.
dest - pointer to the wide character array to copy to
src - pointer to the null-terminated wide string to copy from
// Run this code