-void tty_process_extra_options __P((void));
-void tty_check_options __P((void));
-int connect_tty __P((void));
-void disconnect_tty __P((void));
-void tty_close_fds __P((void));
-void cleanup_tty __P((void));
-void tty_do_send_config __P((int, u_int32_t, int, int));
-
-static int setdevname __P((char *, char **, int));
-static int setspeed __P((char *, char **, int));
-static int setxonxoff __P((char **));
-static int setescape __P((char **));
-static void printescape __P((option_t *, void (*)(void *, char *,...),void *));
-static void finish_tty __P((void));
-static int start_charshunt __P((int, int));
-static void stop_charshunt __P((void *, int));
-static void charshunt_done __P((void *));
-static void charshunt __P((int, int, char *));
-static int record_write __P((FILE *, int code, u_char *buf, int nb,
- struct timeval *));
-static int open_socket __P((char *));
-static void maybe_relock __P((void *, int));
+void tty_process_extra_options(void);
+void tty_check_options(void);
+int connect_tty(void);
+void disconnect_tty(void);
+void tty_close_fds(void);
+void cleanup_tty(void);
+void tty_do_send_config(int, u_int32_t, int, int);
+
+static int setdevname(char *, char **, int);
+static int setspeed(char *, char **, int);
+static int setxonxoff(char **);
+static int setescape(char **);
+static void printescape(option_t *, void (*)(void *, char *,...),void *);
+static void finish_tty(void);
+static int start_charshunt(int, int);
+static void stop_charshunt(void *, int);
+static void charshunt_done(void *);
+static void charshunt(int, int, char *);
+static int record_write(FILE *, int code, u_char *buf, int nb,
+ struct timeval *);
+static int open_socket(char *);
+static void maybe_relock(void *, int);