141 static int  open(struct tty_struct *tty, struct file * filp);
142 static void close(struct tty_struct *tty, struct file * filp);
143 static void hangup(struct tty_struct *tty);
144 static void set_termios(struct tty_struct *tty, struct ktermios *old_termios);
146 static int  write(struct tty_struct *tty, const unsigned char *buf, int count);
147 static int put_char(struct tty_struct *tty, unsigned char ch);
148 static void send_xchar(struct tty_struct *tty, char ch);
149 static void wait_until_sent(struct tty_struct *tty, int timeout);
150 static int  write_room(struct tty_struct *tty);
151 static void flush_chars(struct tty_struct *tty);
152 static void flush_buffer(struct tty_struct *tty);
153 static void tx_hold(struct tty_struct *tty);
154 static void tx_release(struct tty_struct *tty);
156 static int  ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg);
157 static int  chars_in_buffer(struct tty_struct *tty);
158 static void throttle(struct tty_struct * tty);
159 static void unthrottle(struct tty_struct * tty);
160 static int set_break(struct tty_struct *tty, int break_state);
442 static int  block_til_ready(struct tty_struct *tty, struct file * filp,struct slgt_info *info);
513 static int  tiocmget(struct tty_struct *tty);
514 static int  tiocmset(struct tty_struct *tty,
516 static int set_break(struct tty_struct *tty, int break_state);
632 static void ldisc_receive_buf(struct tty_struct *tty,  in ldisc_receive_buf()
648 static int open(struct tty_struct *tty, struct file *filp)  in open()
726 static void close(struct tty_struct *tty, struct file *filp)  in close()
752 static void hangup(struct tty_struct *tty)  in hangup()
776 static void set_termios(struct tty_struct *tty, struct ktermios *old_termios)  in set_termios()
827 static int write(struct tty_struct *tty,  in write()
863 static int put_char(struct tty_struct *tty, unsigned char ch)  in put_char()
883 static void send_xchar(struct tty_struct *tty, char ch)  in send_xchar()
900 static void wait_until_sent(struct tty_struct *tty, int timeout)  in wait_until_sent()
942 static int write_room(struct tty_struct *tty)  in write_room()
954 static void flush_chars(struct tty_struct *tty)  in flush_chars()
975 static void flush_buffer(struct tty_struct *tty)  in flush_buffer()
994 static void tx_hold(struct tty_struct *tty)  in tx_hold()
1011 static void tx_release(struct tty_struct *tty)  in tx_release()
1036 static int ioctl(struct tty_struct *tty,  in ioctl()
1112 static int get_icount(struct tty_struct *tty,  in get_icount()
1200 static long slgt_compat_ioctl(struct tty_struct *tty,  in slgt_compat_ioctl()
1350 static int chars_in_buffer(struct tty_struct *tty)  in chars_in_buffer()
1364 static void throttle(struct tty_struct * tty)  in throttle()
1385 static void unthrottle(struct tty_struct * tty)  in unthrottle()
1411 static int set_break(struct tty_struct *tty, int break_state)  in set_break()
2004 	struct tty_struct *tty = info->port.tty;  in bh_transmit()
3190 static int tiocmget(struct tty_struct *tty)  in tiocmget()
3218 static int tiocmset(struct tty_struct *tty,  in tiocmset()
3270 static int block_til_ready(struct tty_struct *tty, struct file *filp,  in block_til_ready()
4656 	struct tty_struct *tty = info->port.tty;  in rx_get_frame()
4994 	struct tty_struct *oldtty = info->port.tty;  in irq_test()
5066 	struct tty_struct *oldtty = info->port.tty;  in loopback_test()