slp_enqueue
return (slp_enqueue(reg_q, rmsg));
extern SLPError slp_enqueue(slp_queue_t *, void *);
(void) slp_enqueue(hp->q, reply);
(void) slp_enqueue(tcp_q, rqst);
(void) slp_enqueue(hp->q, reply);
(void) slp_enqueue(hp->q, reply);
(void) slp_enqueue(args->hp->q, NULL);