diff --git a/include/libutil.h b/include/libutil.h
new file mode 100644
index 000000000..8be18fb8d
--- /dev/null
+++ b/include/libutil.h
@@ -0,0 +1,8 @@
+#ifndef _LIBUTIL_H
+#define _LIBUTIL_H 1
+
+#include <termios.h>
+
+int openpty(int *, int *, char *, struct termios *, struct winsize *);
+
+#endif