DS_HDL_ISCLIENT
if (DS_HDL_ISCLIENT(req->svc_handle)) {
} else if (!DS_HDL_ISCLIENT(svc->hdl)) {
if (DS_HDL_ISCLIENT(ack->svc_handle) ||
if (DS_HDL_ISCLIENT(nack->svc_handle)) {
if (DS_HDL_ISCLIENT(req->svc_handle) ||
if (DS_HDL_ISCLIENT(svc->hdl)) {
DS_HDL_ISCLIENT(req->svc_handle) == 0, port);