pub unsafe extern "system" fn DsBindByInstanceA(
    servername: PCSTR,
    annotation: PCSTR,
    instanceguid: *const GUID,
    dnsdomainname: PCSTR,
    authidentity: *const c_void,
    serviceprincipalname: PCSTR,
    bindflags: u32,
    phds: *mut HANDLE,
) -> u32