struct tty3270 *tp;  tp = (struct tty3270 *) view; if (tp && tp->tty) stop_tty(tp->tty);
tty3270_deactivate(struct raw3270_view *view){	struct tty3270 *tp;	tp = (struct tty3270 *) view;	if (tp && tp->tty)		stop_tty(tp->tty);}