-extern avl_tree_t *active_tree;
-extern connection_t *myself;
-
-extern void init_connections(void);
-extern connection_t *new_connection(void);
-extern void free_connection(connection_t *);
-extern void id_add(connection_t *);
-extern void active_add(connection_t *);
-extern void active_del(connection_t *);
-extern void connection_add(connection_t *);
-extern void connection_del(connection_t *);
-extern void prune_add(connection_t *);
-extern void prune_flush(void);
-extern connection_t *lookup_id(char *);
-extern connection_t *lookup_active(ipv4_t, short unsigned int);
-extern void dump_connection_list(void);
-extern int read_host_config(connection_t *);
-extern void destroy_trees(void);