extern int device_set_subsystem(struct udev_device *udev_device, const char *subsystem);
extern int device_set_devname(struct udev_device *udev_device, const char *devname);
extern int device_add_devlink(struct udev_device *udev_device, const char *devlink);
-extern int device_add_property(struct udev_device *udev_device, const char *property);
+extern int device_add_property(struct udev_device *udev_device, const char *key, const char *value);
+extern int device_add_property_from_string(struct udev_device *udev_device, const char *property);
extern int device_set_action(struct udev_device *udev_device, const char *action);
extern int device_set_driver(struct udev_device *udev_device, const char *driver);
extern const char *device_get_devpath_old(struct udev_device *udev_device);