ndr_svc_lookup_uuid
ndr_service_t *ndr_svc_lookup_uuid(ndr_uuid_t *, int, ndr_uuid_t *, int);
msvc = ndr_svc_lookup_uuid(as_uuid, as_vers, ts_uuid, ts_vers);
msvc = ndr_svc_lookup_uuid(as_uuid, as_vers, ts_uuid, ts_vers);