47 	register struct tty *tp = &cons;  local
51 	tp->t_oproc = cnstart;
52 	if ((tp->t_state&TS_ISOPEN) == 0) {
53 		ttychars(tp);
54 		tp->t_iflag = TTYDEF_IFLAG|ICRNL;
55 		tp->t_oflag = TTYDEF_OFLAG|OPOST|ONLCR;
56 		tp->t_lflag = TTYDEF_LFLAG;
57 		tp->t_cflag = CS8|CREAD;
58 		tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
59 		tp->t_state = TS_ISOPEN|TS_CARR_ON;
60 		ttsetwater(tp);
62 	if (tp->t_state&TS_XCLUDE && u.u_uid != 0)
66 	return ((*linesw[tp->t_line].l_open)(dev, tp));
75 	register struct tty *tp = &cons;  local
79 	(*linesw[tp->t_line].l_close)(tp, flag);
80 	ttyclose(tp);
90 	register struct tty *tp = &cons;  local
94 	return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
103 	register struct tty *tp = &cons;  local
108 			tp = constty;
112 	return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
126 	register struct tty *tp;  local
139 	tp = &cons;
141 	if (!kdbrintr(c, tp))
143 	if ((tp->t_cflag&CSIZE) == CS7) {
145 		if (tp->t_cflag&PARENB) {
146 			if ((tp->t_cflag&PARODD) && 
155 	(*linesw[tp->t_line].l_rint)(c, tp);
163 	register struct tty *tp = &cons;  local
168 	error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr);
171 	error = ttioctl(tp, cmd, addr, flag);
188 	register struct tty *tp = &cons;  local
191 	tp->t_state &= ~TS_BUSY;
192 	if (tp->t_line)
193 		(*linesw[tp->t_line].l_start)(tp);
195 		cnstart(tp);
197 	if (cpu==VAX_780 && (tp->t_state & TS_BUSY) == 0)
202 cnstart(tp)  in cnstart()  argument
203 	register struct tty *tp;  in cnstart()
208 	if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))
210 	if (tp->t_outq.c_cc <= tp->t_lowat) {
211 		if (tp->t_state&TS_ASLEEP) {
212 			tp->t_state &= ~TS_ASLEEP;
213 			wakeup((caddr_t)&tp->t_outq);
215 		if (tp->t_wsel) {
216 			selwakeup(tp->t_wsel, tp->t_state & TS_WCOLL);
217 			tp->t_wsel = 0;
218 			tp->t_state &= ~TS_WCOLL;
221 	if (tp->t_outq.c_cc == 0)
225 	c = getc(&tp->t_outq) & 0xff;
227 	if (tp->t_cflag&PARENB && ((tp->t_cflag&CSIZE)==CS7)) {
229 		c |= (tp->t_cflag&PARODD ? ~partab[c] : partab[c]) & 0200;
232 	if ((tp->t_cflag&CSIZE) == CS7) {
234 		if (tp->t_cflag&PARENB) {
235 			if (tp->t_cflag&PARODD)
246 	tp->t_state |= TS_BUSY;