-extern void service_announce(struct interface *iface);
-extern void service_announce_services(struct interface *iface, const char *service);
-extern void service_reply(struct interface *iface, const char *match);
-extern void service_reply_a(struct interface *iface, int type);
+extern void service_announce(struct interface *iface, int ttl);
+extern void service_reply(struct interface *iface, const char *match, int ttl);
+extern void service_announce_services(struct interface *iface, int tcp, int ttl);