Function advapi32::RegGetValueA

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