Function SCardConnectA 

pub unsafe fn SCardConnectA<P1>(
    hcontext: usize,
    szreader: P1,
    dwsharemode: u32,
    dwpreferredprotocols: u32,
    phcard: *mut usize,
    pdwactiveprotocol: *mut u32,
) -> i32
where
    P1: Param<PCSTR>,