udp_err_ack_prim
static void udp_err_ack_prim(queue_t *q, mblk_t *mp, t_scalar_t primitive,
udp_err_ack_prim(q, mp1, T_CONN_REQ, TSYSERR, ENOMEM);
udp_err_ack_prim(q, mp, T_DISCON_REQ, TSYSERR, ENOMEM);