-static void service_browser_callback(AvahiSServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const gchar *service_name, const gchar *service_type, const gchar *domain_name, gpointer userdata) {
+static void service_browser_callback(
+ AVAHI_GCC_UNUSED AvahiSServiceBrowser *b,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiBrowserEvent event,
+ const char *service_name,
+ const char *service_type,
+ const char *domain_name,
+ AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
+ AVAHI_GCC_UNUSED void* userdata) {