--- /dev/null
+
+NetMap *the_netmap;
+int netmap_changed;
+char *working_ignetcfg;
+
+void load_working_ignetcfg(void);
+void read_network_map(void);
+FilterList *load_filter_list(void);
+void write_network_map(void);
+void free_filter_list(FilterList *fl);
+int is_valid_node(char *nexthop, char *secret, char *node);