tcp_wput
return (tcp_wput(tcp_wq, mp));
(void) tcp_wput(tcp_wq, mp); /* Always returns 0 anyway. */
extern int tcp_wput(queue_t *, mblk_t *);
tcp_wput, tcp_wsrv, NULL, NULL, NULL, &tcp_winfo
tcp_wput(wq, mp);
extern int tcp_wput(queue_t *, mblk_t *);