116 static int if_open(struct tty_struct *tty, struct file *filp)  in if_open()
144 static void if_close(struct tty_struct *tty, struct file *filp)  in if_close()
169 static int if_ioctl(struct tty_struct *tty,  in if_ioctl()
236 static int if_tiocmget(struct tty_struct *tty)  in if_tiocmget()
253 static int if_tiocmset(struct tty_struct *tty,  in if_tiocmset()
280 static int if_write(struct tty_struct *tty, const unsigned char *buf, int count)  in if_write()
325 static int if_write_room(struct tty_struct *tty)  in if_write_room()
349 static int if_chars_in_buffer(struct tty_struct *tty)  in if_chars_in_buffer()
370 static void if_throttle(struct tty_struct *tty)  in if_throttle()
386 static void if_unthrottle(struct tty_struct *tty)  in if_unthrottle()
402 static void if_set_termios(struct tty_struct *tty, struct ktermios *old)  in if_set_termios()
561 	struct tty_driver *tty;  in gigaset_if_initdriver()  local