+int udev_event_spawn(struct udev_event *event,
+ const char *cmd, char **envp, const sigset_t *sigmask,
+ char *result, size_t ressize);
+int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset);
+int udev_event_execute_run(struct udev_event *event, const sigset_t *sigset);