pub unsafe fn DsCrackSpn2A(
    pszspn: &[u8],
    pcserviceclass: Option<*mut u32>,
    serviceclass: PSTR,
    pcservicename: Option<*mut u32>,
    servicename: PSTR,
    pcinstancename: Option<*mut u32>,
    instancename: PSTR,
    pinstanceport: Option<*mut u16>
) -> u32