extern int udev_device_set_subsystem(struct udev_device *udev_device, const char *subsystem);
extern int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode);
extern int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink);
-extern int udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value);
-extern int udev_device_add_property_from_string(struct udev_device *udev_device, const char *property);
+extern struct udev_list_entry *udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value);
+extern struct udev_list_entry *udev_device_add_property_from_string(struct udev_device *udev_device, const char *property);
extern int udev_device_set_action(struct udev_device *udev_device, const char *action);
extern int udev_device_set_driver(struct udev_device *udev_device, const char *driver);
extern const char *udev_device_get_devpath_old(struct udev_device *udev_device);
extern void udev_list_entry_remove(struct udev_list_entry *entry);
extern struct udev_list_entry *udev_list_get_entry(struct udev_list_node *list);
extern void udev_list_entry_move_to_end(struct udev_list_entry *list_entry);
+extern int udev_list_entry_get_flag(struct udev_list_entry *list_entry);
+extern void udev_list_entry_set_flag(struct udev_list_entry *list_entry, int flag);
#define list_entry_foreach_safe(entry, tmp, first) \
for (entry = first, \
tmp = udev_list_entry_get_next(entry); \