pub unsafe fn InitializeSecurityContextW(
    phcredential: Option<*const SecHandle>,
    phcontext: Option<*const SecHandle>,
    psztargetname: Option<*const u16>,
    fcontextreq: ISC_REQ_FLAGS,
    reserved1: u32,
    targetdatarep: u32,
    pinput: Option<*const SecBufferDesc>,
    reserved2: u32,
    phnewcontext: Option<*mut SecHandle>,
    poutput: Option<*mut SecBufferDesc>,
    pfcontextattr: *mut u32,
    ptsexpiry: Option<*mut i64>
) -> HRESULT