-// UNNEEDED int readlink_value(const char *p, char **ret);
-// UNNEEDED int readlink_and_make_absolute(const char *p, char **r);
-// UNNEEDED int readlink_and_canonicalize(const char *p, char **r);
-// UNNEEDED int readlink_and_make_absolute_root(const char *root, const char *path, char **ret);
-
+#if 0 /// UNNEEDED by elogind
+int readlink_value(const char *p, char **ret);
+int readlink_and_make_absolute(const char *p, char **r);
+int readlink_and_canonicalize(const char *p, char **r);
+int readlink_and_make_absolute_root(const char *root, const char *path, char **ret);
+#endif // 0