diff --git a/libblkid/include/readutmp.h b/libblkid/include/readutmp.h
new file mode 100644
index 0000000..93251ea
--- /dev/null
+++ b/libblkid/include/readutmp.h
@@ -0,0 +1,28 @@
+/* Declarations for GNU's read utmp module.
+
+   Copyright (C) 1992-2007, 2009-2014 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by jla; revised by djm */
+
+#ifndef READUTMP_H
+#define READUTMP_H
+
+#include <sys/types.h>
+#include <utmp.h>
+
+int read_utmp (char const *file, size_t *n_entries, struct utmp **utmp_buf);
+
+#endif /* READUTMP_H */