extern void udev_rules_iter_init(struct udev_rules *rules);
extern struct udev_rule *udev_rules_iter_next(struct udev_rules *rules);
extern struct udev_rule *udev_rules_iter_label(struct udev_rules *rules, const char *label);
extern void udev_rules_iter_init(struct udev_rules *rules);
extern struct udev_rule *udev_rules_iter_next(struct udev_rules *rules);
extern struct udev_rule *udev_rules_iter_label(struct udev_rules *rules, const char *label);