-static void stl_argbrds(void);
-static int stl_parsebrd(struct stlconf *confp, char **argp);
-
-static unsigned long stl_atol(char *str);
-
-static int stl_open(struct tty_struct *tty, struct file *filp);
-static void stl_close(struct tty_struct *tty, struct file *filp);
-static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count);
-static void stl_putchar(struct tty_struct *tty, unsigned char ch);
-static void stl_flushchars(struct tty_struct *tty);
-static int stl_writeroom(struct tty_struct *tty);
-static int stl_charsinbuffer(struct tty_struct *tty);
-static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg);
-static void stl_settermios(struct tty_struct *tty, struct termios *old);
-static void stl_throttle(struct tty_struct *tty);
-static void stl_unthrottle(struct tty_struct *tty);
-static void stl_stop(struct tty_struct *tty);
-static void stl_start(struct tty_struct *tty);
-static void stl_flushbuffer(struct tty_struct *tty);
-static void stl_breakctl(struct tty_struct *tty, int state);
-static void stl_waituntilsent(struct tty_struct *tty, int timeout);
-static void stl_sendxchar(struct tty_struct *tty, char ch);
-static void stl_hangup(struct tty_struct *tty);