Function GetPrinterDriver2A 

pub unsafe extern "system" fn GetPrinterDriver2A(
    hwnd: HWND,
    hprinter: PRINTER_HANDLE,
    penvironment: PCSTR,
    level: u32,
    pdriverinfo: *mut u8,
    cbbuf: u32,
    pcbneeded: *mut u32,
) -> BOOL