+DBusHandlerResult avahi_service_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message);
+DBusHandlerResult avahi_record_browser_event(AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message);
+
+DBusHandlerResult avahi_service_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message);
+DBusHandlerResult avahi_host_name_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message);
+DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message);
+
+int avahi_client_simple_method_call(AvahiClient *client, const char *path, const char *interface, const char *method);
+
+int avahi_client_is_connected(AvahiClient *client);