pub unsafe fn DsMakeSpnW<P0, P1, P2, P3>(
    serviceclass: P0,
    servicename: P1,
    instancename: P2,
    instanceport: u16,
    referrer: P3,
    pcspnlength: *mut u32,
    pszspn: PWSTR
) -> u32
where P0: IntoParam<PCWSTR>, P1: IntoParam<PCWSTR>, P2: IntoParam<PCWSTR>, P3: IntoParam<PCWSTR>,