Function advapi32::RegEnumKeyExW

pub unsafe extern "system" fn RegEnumKeyExW(
    hKey: HKEY, 
    dwIndex: DWORD, 
    lpName: LPWSTR, 
    lpcName: LPDWORD, 
    lpReserved: LPDWORD, 
    lpClass: LPWSTR, 
    lpcClass: LPDWORD, 
    lpftLastWriteTime: PFILETIME
) -> LONG