-extern int udev_init_device(struct udevice *udev, const char* devpath, const char *subsystem);
-extern void udev_cleanup_device(struct udevice *udev);
+/* udev_utils.c */
+extern int log_priority(const char *priority);
+extern int name_list_add(struct list_head *name_list, const char *name, int sort);
+extern int name_list_key_add(struct list_head *name_list, const char *key, const char *value);
+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);
+
+/* udev_utils_string.c */
+extern int strcmp_pattern(const char *p, const char *s);
+extern int string_is_true(const char *str);
+extern void remove_trailing_chars(char *path, char c);
+extern int utf8_encoded_valid_unichar(const char *str);
+extern int replace_untrusted_chars(char *str);