1 files changed, 18 insertions, 0 deletions
diff --git a/lib/exitfail.h b/lib/exitfail.h
new file mode 100644
index 0000000..85a6af6
--- /dev/null
+++ b/lib/exitfail.h
@@ -0,0 +1,18 @@
+/* Failure exit status
+
+   Copyright (C) 2002, 2009-2023 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   This file is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+extern int volatile exit_failure;