diff --git a/progs/tty_settings.h b/progs/tty_settings.h
new file mode 100644
index 0000000..bd3bcdb
--- /dev/null
+++ b/progs/tty_settings.h
@@ -0,0 +1,51 @@
+/****************************************************************************
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 2016,2017 Free Software Foundation, Inc.                       *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Thomas E Dickey                                                 *
+ ****************************************************************************/
+
+/*
+ * $Id: tty_settings.h,v 1.3 2020/02/02 23:34:34 tom Exp $
+ *
+ * Utility functions for saving/restoring terminal settings.
+ */
+#ifndef TTY_SETTINGS_H
+#define TTY_SETTINGS_H 1
+/* *INDENT-OFF* */
+
+#include <progs.priv.h>
+
+extern int save_tty_settings(TTY * /* tty_settings */, bool /* need_tty */ );
+extern void restore_tty_settings(void);
+extern void update_tty_settings(TTY * /* old_settings */, TTY * /* new_settings */ );
+
+/* *INDENT-ON* */
+
+#endif /* TTY_SETTINGS_H */