bool udev_rules_check_timestamp(struct udev_rules *rules);
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event,
usec_t timeout_usec, usec_t timeout_warn_usec,
bool udev_rules_check_timestamp(struct udev_rules *rules);
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event,
usec_t timeout_usec, usec_t timeout_warn_usec,