-extern int udev_add_device(struct udevice *udev, struct sysfs_class_device *class_dev);
-extern int udev_remove_device(struct udevice *udev);
-extern void udev_init_config(void);
-extern int udev_start(void);
-extern void udev_multiplex_directory(struct udevice *udev, const char *basedir, const char *suffix);
-extern int udev_make_node(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid);
-
-extern char sysfs_path[SYSFS_PATH_MAX];
-extern char udev_root[PATH_MAX];
-extern char udev_db_path[PATH_MAX+NAME_MAX];
-extern char udev_config_filename[PATH_MAX+NAME_MAX];
-extern char udev_rules_filename[PATH_MAX+NAME_MAX];
-extern int udev_log;
-extern int udev_dev_d;
-extern int udev_hotplug_d;
+/* udev_config.c */
+extern char udev_root[PATH_SIZE];
+extern char udev_config_filename[PATH_SIZE];
+extern char udev_rules_dir[PATH_SIZE];
+extern int udev_log_priority;
+extern int udev_run;
+extern void udev_config_init(void);
+
+/* udev_device.c */
+extern struct udevice *udev_device_init(struct udevice *udev);
+extern void udev_device_cleanup(struct udevice *udev);
+extern int udev_device_event(struct udev_rules *rules, struct udevice *udev);
+extern dev_t udev_device_get_devt(struct udevice *udev);
+
+/* udev_sysfs.c */
+extern char sysfs_path[PATH_SIZE];
+extern int sysfs_init(void);
+extern void sysfs_cleanup(void);
+extern void sysfs_device_set_values(struct sysfs_device *dev, const char *devpath,
+ const char *subsystem, const char *driver);
+extern struct sysfs_device *sysfs_device_get(const char *devpath);
+extern struct sysfs_device *sysfs_device_get_parent(struct sysfs_device *dev);
+extern struct sysfs_device *sysfs_device_get_parent_with_subsystem(struct sysfs_device *dev, const char *subsystem);
+extern char *sysfs_attr_get_value(const char *devpath, const char *attr_name);
+extern int sysfs_resolve_link(char *path, size_t size);
+extern int sysfs_lookup_devpath_by_subsys_id(char *devpath, size_t len, const char *subsystem, const char *id);
+
+/* udev_node.c */
+extern int udev_node_mknod(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid);
+extern void udev_node_update_symlinks(struct udevice *udev, struct udevice *udev_old);
+extern int udev_node_add(struct udevice *udev);
+extern int udev_node_remove(struct udevice *udev);
+
+/* udev_db.c */
+extern int udev_db_add_device(struct udevice *dev);
+extern int udev_db_delete_device(struct udevice *dev);
+extern int udev_db_rename(const char *devpath_old, const char *devpath);
+extern int udev_db_get_device(struct udevice *udev, const char *devpath);
+extern int udev_db_get_devices_by_name(const char *name, struct list_head *name_list);
+extern int udev_db_get_all_entries(struct list_head *name_list);
+
+/* udev_utils.c */
+struct name_entry {
+ struct list_head node;
+ char name[PATH_SIZE];
+ unsigned int ignore_error:1;
+};
+
+extern int log_priority(const char *priority);
+extern struct name_entry *name_list_add(struct list_head *name_list, const char *name, int sort);
+extern struct name_entry *name_list_key_add(struct list_head *name_list, const char *key, const char *value);
+extern int name_list_key_remove(struct list_head *name_list, const char *key);
+extern void name_list_cleanup(struct list_head *name_list);
+extern int add_matching_files(struct list_head *name_list, const char *dirname, const char *suffix);
+extern uid_t lookup_user(const char *user);
+extern gid_t lookup_group(const char *group);
+
+/* udev_utils_string.c */
+extern int string_is_true(const char *str);
+extern void remove_trailing_chars(char *path, char c);
+extern size_t path_encode(char *s, size_t len);
+extern size_t path_decode(char *s);
+extern int utf8_encoded_valid_unichar(const char *str);
+extern int replace_chars(char *str, const char *white);
+
+/* udev_utils_file.c */
+extern int create_path(const char *path);
+extern int delete_path(const char *path);
+extern int file_map(const char *filename, char **buf, size_t *bufsize);
+extern void file_unmap(void *buf, size_t bufsize);
+extern int unlink_secure(const char *filename);
+extern size_t buf_get_line(const char *buf, size_t buflen, size_t cur);