struct udev_device;
extern struct udev_device *udev_device_new_from_devpath(struct udev *udev, const char *devpath);
+extern struct udev_device *udev_device_new_from_parent(struct udev_device *udev_device);
extern struct udev_device *udev_device_ref(struct udev_device *udev_device);
extern void udev_device_unref(struct udev_device *udev_device);
extern struct udev *udev_device_get_udev(struct udev_device *udev_device);
extern const char *udev_device_get_devpath(struct udev_device *udev_device);
extern const char *udev_device_get_subsystem(struct udev_device *udev_device);
extern const char *udev_device_get_syspath(struct udev_device *udev_device);
+extern const char *udev_device_get_sysname(struct udev_device *udev_device);
extern const char *udev_device_get_devname(struct udev_device *udev_device);
extern int udev_device_get_devlinks(struct udev_device *udev_device,
int (*cb)(struct udev_device *udev_device,