+
+bool bus_error_is_no_service(const DBusError *error);
+int bus_method_call_with_reply(DBusConnection *bus,
+ const char *destination,
+ const char *path,
+ const char *interface,
+ const char *method,
+ DBusMessage **return_reply,
+ DBusError *return_error,
+ int first_arg_type, ...);
+
+const char *bus_message_get_sender_with_fallback(DBusMessage *m);
+
+void bus_message_unrefp(DBusMessage **reply);
+
+#define _cleanup_dbus_message_unref_ __attribute__((cleanup(bus_message_unrefp)))
+#define _cleanup_dbus_error_free_ __attribute__((cleanup(dbus_error_free)))