Function winapi::um::winreg::RegQueryValueExA

pub unsafe extern "system" fn RegQueryValueExA(
    hKey: HKEY, 
    lpValueName: LPCSTR, 
    lpReserved: LPDWORD, 
    lpType: LPDWORD, 
    lpData: LPBYTE, 
    lpcbData: LPDWORD
) -> LSTATUS