+extern struct util_name_entry *util_name_list_add(struct udev *udev, struct list_head *name_list,
+ const char *name, const char *value, int sort);
+extern void util_name_list_cleanup(struct udev *udev, struct list_head *name_list);
+extern int util_log_priority(const char *priority);
+extern size_t util_path_encode(char *s, size_t len);
+extern size_t util_path_decode(char *s);
+extern void util_remove_trailing_chars(char *path, char c);
+extern size_t util_strlcpy(char *dst, const char *src, size_t size);
+extern size_t util_strlcat(char *dst, const char *src, size_t size);
+extern int util_replace_chars(char *str, const char *white);
+extern char *util_sysattr_get_value(struct udev *udev, const char *devpath, const char *attr_name);