Function advapi32::RegGetValueW

pub unsafe extern "system" fn RegGetValueW(
    hkey: HKEY, 
    lpSubKey: LPCWSTR, 
    lpValue: LPCWSTR, 
    dwFlags: DWORD, 
    pdwType: LPDWORD, 
    pvData: PVOID, 
    pcbData: LPDWORD
) -> LONG