-extern void send_mtu_probe(struct node_t *);
-extern void handle_device_data(int, short, void *);
-extern void handle_meta_connection_data(int, short, void *);
-extern void regenerate_key();
+extern void handle_device_data(void *, int);
+extern void handle_meta_connection_data(struct connection_t *);
+extern void regenerate_key(void);
+extern void purge(void);
+extern void retry(void);
+extern int reload_configuration(void);
+extern void load_all_subnets(void);
+extern void load_all_nodes(void);
+extern void try_tx(struct node_t *n, bool);