extern const char *udev_device_get_driver(struct udev_device *udev_device);
extern dev_t udev_device_get_devnum(struct udev_device *udev_device);
extern const char *udev_device_get_action(struct udev_device *udev_device);
+extern unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device);
extern int udev_devices_enumerate(struct udev *udev, const char *subsystem,
int (*cb)(struct udev *udev,