void udev_event_unref(struct udev_event *event);
int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules);
int udev_event_execute_run(struct udev_event *event);
-void udev_event_apply_format(struct udev_event *event, char *string, size_t maxsize);
+size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size);
int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string,
char *result, size_t maxsize, int read_value);