-Channel *channel_lookup(int id);
-Channel *
-channel_new(char *ctype, int type, int rfd, int wfd, int efd,
- int window, int maxpack, int extusage, char *remote_name, int nonblock);
-void
-channel_set_fds(int id, int rfd, int wfd, int efd,
- int extusage, int nonblock);
-void channel_free(Channel *c);
-void channel_free_all(void);
-
-void channel_send_open(int id);
-void channel_request(int id, char *service, int wantconfirm);
-void channel_request_start(int id, char *service, int wantconfirm);
-void channel_register_callback(int id, int mtype, channel_callback_fn *fn, void *arg);
-void channel_register_cleanup(int id, channel_callback_fn *fn);
-void channel_register_filter(int id, channel_filter_fn *fn);
-void channel_cancel_cleanup(int id);
+Channel *channel_lookup(int);
+Channel *channel_new(char *, int, int, int, int, int, int, int, char *, int);
+void channel_set_fds(int, int, int, int, int, int);
+void channel_free(Channel *);
+void channel_free_all(void);
+void channel_detach_all(void);
+void channel_stop_listening(void);
+
+void channel_send_open(int);
+void channel_request(int, char *, int);
+void channel_request_start(int, char *, int);
+void channel_register_callback(int, int mtype, channel_callback_fn *, void *);
+void channel_register_cleanup(int, channel_callback_fn *);
+void channel_register_filter(int, channel_filter_fn *);
+void channel_cancel_cleanup(int);
+int channel_close_fd(int *);