-char *unit_name_escape(const char *f);
-int unit_name_unescape(const char *f, char **ret);
-int unit_name_path_escape(const char *f, char **ret);
-int unit_name_path_unescape(const char *f, char **ret);
+// UNNEEDED char *unit_name_escape(const char *f);
+// UNNEEDED int unit_name_unescape(const char *f, char **ret);
+// UNNEEDED int unit_name_path_escape(const char *f, char **ret);
+// UNNEEDED int unit_name_path_unescape(const char *f, char **ret);