142 	register struct tty *tp;  local
219 	register struct tty *tp;  local
274 	register struct tty *tp;  local
299 	register struct tty *tp;  local
314 	register struct tty *tp;  local
328 	register struct tty *tp;  local
383 dcparam(tp, t)  in dcparam()  argument
470 	register struct tty *tp;  local
560 dcxint(tp)  in dcxint()  argument
618 dcstart(tp)  in dcstart()  argument
673 dcstop(tp, flag)  in dcstop()  argument
798 	register struct tty *tp;  local