ttylist           166 kern/tty.c     struct ttylist_head ttylist;	/* TAILQ_HEAD */
ttylist          2225 kern/tty.c     	TAILQ_INIT(&ttylist);
ttylist          2246 kern/tty.c     	TAILQ_INSERT_TAIL(&ttylist, tp, tty_link);
ttylist          2266 kern/tty.c     	TAILQ_REMOVE(&ttylist, tp, tty_link);
ttylist          2284 kern/tty.c     	for (tp = TAILQ_FIRST(&ttylist), itp = ttystats; tp;