-extern int udev_rules_run(struct udev_event *event);
-extern void udev_rules_apply_format(struct udev_event *event, char *string, size_t maxsize);
+
+/* udev-event.c */
+extern struct udev_event *udev_event_new(struct udev_device *dev);
+extern void udev_event_unref(struct udev_event *event);
+extern int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules);
+extern int udev_event_execute_run(struct udev_event *event);
+extern void udev_event_apply_format(struct udev_event *event, char *string, size_t maxsize);
+extern int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string,
+ char *result, size_t maxsize, int read_value);