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