+#include "connlist.h"
+
+extern subnet_t *new_subnet(void);
+extern void free_subnet(subnet_t *);
+extern void subnet_add(struct conn_list_t *, subnet_t *);
+extern void subnet_del(subnet_t *);
+extern char *net2str(subnet_t *);
+extern subnet_t *str2net(char *);
+extern subnet_t *lookup_subnet_mac(mac_t);
+extern subnet_t *lookup_subnet_ipv4(ipv4_t);
+extern subnet_t *lookup_subnet_ipv6(ipv6_t);
+extern void dump_subnet_list(void);
+