struct wl_listener destroy;

static void cleanupkeyboard(struct wl_listener *listener, void *data);

}
void
cleanupkeyboard(struct wl_listener *listener, void *data)
{
	struct wlr_input_device *device = data;
	Keyboard *kb = device->data;
	wl_list_remove(&kb->destroy.link);
	free(kb);

	kb->destroy.notify = cleanupkeyboard;
	wl_signal_add(&device->events.destroy, &kb->destroy);