# endif
# define IS_RELATIVE_FILE_NAME(F) (! IS_ABSOLUTE_FILE_NAME (F))
+# if GNULIB_DIRNAME
char *base_name (char const *file);
-char *mdir_name (char const *file);
char *dir_name (char const *file);
+# endif
+
+char *mdir_name (char const *file);
size_t base_len (char const *file);
size_t dir_len (char const *file);
char *last_component (char const *file);