-extern const char *udev_get_sys_path(struct udev *udev);
-extern const char *udev_get_dev_path(struct udev *udev);
-
-extern struct udev_device *udev_device_new_from_devpath(struct udev *udev, const char *devpath);
-extern struct udev_device *udev_device_ref(struct udev_device *udev_device);
-extern void udev_device_unref(struct udev_device *udev_device);
-extern struct udev *udev_device_get_udev(struct udev_device *udev_device);
-extern const char *udev_device_get_devpath(struct udev_device *udev_device);
-extern const char *udev_device_get_devname(struct udev_device *udev_device);
-extern const char *udev_device_get_subsystem(struct udev_device *udev_device);
-extern int udev_device_get_devlinks(struct udev_device *udev_device,
- int (*cb)(struct udev_device *udev_device,
- const char *value, void *data),
- void *data);
-extern int udev_device_get_properties(struct udev_device *udev_device,
- int (*cb)(struct udev_device *udev_device,
- const char *key, const char *value, void *data),
- void *data);
-
-extern int udev_devices_enumerate(struct udev *udev, const char *subsystem,
- int (*cb)(struct udev *udev,
- const char *devpath, const char *subsystem, const char *name, void *data),
- void *data);
+int udev_get_log_priority(struct udev *udev);
+void udev_set_log_priority(struct udev *udev, int priority);
+const char *udev_get_sys_path(struct udev *udev);
+const char *udev_get_dev_path(struct udev *udev);
+void *udev_get_userdata(struct udev *udev);
+void udev_set_userdata(struct udev *udev, void *userdata);
+
+/* list iteration */
+struct udev_list_entry;
+struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry);
+struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name);
+const char *udev_list_entry_get_name(struct udev_list_entry *list_entry);
+const char *udev_list_entry_get_value(struct udev_list_entry *list_entry);
+#define udev_list_entry_foreach(entry, first) \
+ for (entry = first; \
+ entry != NULL; \
+ entry = udev_list_entry_get_next(entry))
+
+/* sys devices */
+struct udev_device;
+struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath);
+struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum);
+struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname);
+struct udev_device *udev_device_get_parent(struct udev_device *udev_device);
+struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device, const char *subsystem, const char *devtype);
+struct udev_device *udev_device_ref(struct udev_device *udev_device);
+void udev_device_unref(struct udev_device *udev_device);
+struct udev *udev_device_get_udev(struct udev_device *udev_device);
+const char *udev_device_get_devpath(struct udev_device *udev_device);
+const char *udev_device_get_subsystem(struct udev_device *udev_device);
+const char *udev_device_get_devtype(struct udev_device *udev_device);
+const char *udev_device_get_syspath(struct udev_device *udev_device);
+const char *udev_device_get_sysname(struct udev_device *udev_device);
+const char *udev_device_get_sysnum(struct udev_device *udev_device);
+const char *udev_device_get_devnode(struct udev_device *udev_device);
+struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device);
+struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device);
+const char *udev_device_get_property_value(struct udev_device *udev_device, const char *key);
+const char *udev_device_get_driver(struct udev_device *udev_device);
+dev_t udev_device_get_devnum(struct udev_device *udev_device);
+const char *udev_device_get_action(struct udev_device *udev_device);
+unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device);
+const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr);
+
+/* udev and kernel device events */
+struct udev_monitor;
+struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path);
+struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name);
+int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
+struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
+void udev_monitor_unref(struct udev_monitor *udev_monitor);
+struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
+int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
+struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
+int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, const char *subsystem, const char *devtype);
+int udev_monitor_filter_update(struct udev_monitor *udev_monitor);
+int udev_monitor_filter_remove(struct udev_monitor *udev_monitor);
+
+/* sys enumeration */
+struct udev_enumerate;
+struct udev_enumerate *udev_enumerate_new(struct udev *udev);
+struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate);
+void udev_enumerate_unref(struct udev_enumerate *udev_enumerate);
+struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate);
+int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
+int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
+int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
+int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
+int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, const char *property, const char *value);
+int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath);
+int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate);
+int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate);
+struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate);