int state;
};
-extern int timed_output_dev_register(struct timed_output_dev *dev);
-extern void timed_output_dev_unregister(struct timed_output_dev *dev);
+int timed_output_dev_register(struct timed_output_dev *dev);
+void timed_output_dev_unregister(struct timed_output_dev *dev);
#endif