t_iobc           2855 netinet/tcp_input.c 			tp->t_iobc = *cp;
t_iobc            447 netinet/tcp_usrreq.c 		*mtod(m, caddr_t) = tp->t_iobc;
t_iobc            172 netinet/tcp_var.h 	char	t_iobc;			/* input character */