-const char* systemd_running_as_to_string(SystemdRunningAs i);
-SystemdRunningAs systemd_running_as_from_string(const char *s);
+#define _cleanup_lookup_paths_free_ _cleanup_(lookup_paths_free)
+
+const char* systemd_running_as_to_string(SystemdRunningAs i) _const_;
+SystemdRunningAs systemd_running_as_from_string(const char *s) _pure_;