void oswald_handle_button_press(watch_button button);
void oswald_handle_accel_event(u8t x, u8t y, u8t z);
void oswald_handle_ambientlight_event(u8t light_level);
void oswald_handle_idle_event(void);
void oswald_handle_button_press(watch_button button);
void oswald_handle_accel_event(u8t x, u8t y, u8t z);
void oswald_handle_ambientlight_event(u8t light_level);
void oswald_handle_idle_event(void);