diff --git a/ncurses/tinfo/lib_ttyflags.c b/ncurses/tinfo/lib_ttyflags.c
new file mode 100644
index 0000000..a2b38a3
--- /dev/null
+++ b/ncurses/tinfo/lib_ttyflags.c
@@ -0,0 +1,220 @@
+/****************************************************************************
+ * Copyright (c) 1998-2007,2008 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.                                                           *
+ ****************************************************************************/
+
+/*
+ *		def_prog_mode()
+ *		def_shell_mode()
+ *		reset_prog_mode()
+ *		reset_shell_mode()
+ *		savetty()
+ *		resetty()
+ */
+
+#include <curses.priv.h>
+#include <term.h>		/* cur_term */
+
+MODULE_ID("$Id: lib_ttyflags.c,v 1.18 2008/08/03 22:10:44 tom Exp $")
+
+NCURSES_EXPORT(int)
+_nc_get_tty_mode(TTY * buf)
+{
+    int result = OK;
+
+    if (buf == 0) {
+	result = ERR;
+    } else {
+	if (cur_term == 0) {
+	    result = ERR;
+	} else {
+	    for (;;) {
+		if (GET_TTY(cur_term->Filedes, buf) != 0) {
+		    if (errno == EINTR)
+			continue;
+		    result = ERR;
+		}
+		break;
+	    }
+	}
+
+	if (result == ERR)
+	    memset(buf, 0, sizeof(*buf));
+
+	TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
+			cur_term ? cur_term->Filedes : -1,
+			_nc_trace_ttymode(buf)));
+    }
+    return (result);
+}
+
+NCURSES_EXPORT(int)
+_nc_set_tty_mode(TTY * buf)
+{
+    int result = OK;
+
+    if (buf == 0) {
+	result = ERR;
+    } else {
+	if (cur_term == 0) {
+	    result = ERR;
+	} else {
+	    for (;;) {
+		if (SET_TTY(cur_term->Filedes, buf) != 0) {
+		    if (errno == EINTR)
+			continue;
+		    if ((errno == ENOTTY) && (SP != 0))
+			SP->_notty = TRUE;
+		    result = ERR;
+		}
+		break;
+	    }
+	}
+	TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s",
+			cur_term ? cur_term->Filedes : -1,
+			_nc_trace_ttymode(buf)));
+    }
+    return (result);
+}
+
+NCURSES_EXPORT(int)
+def_shell_mode(void)
+{
+    int rc = ERR;
+
+    T((T_CALLED("def_shell_mode()")));
+
+    if (cur_term != 0) {
+	/*
+	 * If XTABS was on, remove the tab and backtab capabilities.
+	 */
+	if (_nc_get_tty_mode(&cur_term->Ottyb) == OK) {
+#ifdef TERMIOS
+	    if (cur_term->Ottyb.c_oflag & OFLAGS_TABS)
+		tab = back_tab = NULL;
+#else
+	    if (cur_term->Ottyb.sg_flags & XTABS)
+		tab = back_tab = NULL;
+#endif
+	    rc = OK;
+	}
+    }
+    returnCode(rc);
+}
+
+NCURSES_EXPORT(int)
+def_prog_mode(void)
+{
+    int rc = ERR;
+
+    T((T_CALLED("def_prog_mode()")));
+
+    if (cur_term != 0) {
+	/*
+	 * Turn off the XTABS bit in the tty structure if it was on.
+	 */
+	if (_nc_get_tty_mode(&cur_term->Nttyb) == OK) {
+#ifdef TERMIOS
+	    cur_term->Nttyb.c_oflag &= ~OFLAGS_TABS;
+#else
+	    cur_term->Nttyb.sg_flags &= ~XTABS;
+#endif
+	    rc = OK;
+	}
+    }
+    returnCode(rc);
+}
+
+NCURSES_EXPORT(int)
+reset_prog_mode(void)
+{
+    T((T_CALLED("reset_prog_mode()")));
+
+    if (cur_term != 0) {
+	if (_nc_set_tty_mode(&cur_term->Nttyb) == OK) {
+	    if (SP) {
+		if (SP->_keypad_on)
+		    _nc_keypad(SP, TRUE);
+		NC_BUFFERED(TRUE);
+	    }
+	    returnCode(OK);
+	}
+    }
+    returnCode(ERR);
+}
+
+NCURSES_EXPORT(int)
+reset_shell_mode(void)
+{
+    T((T_CALLED("reset_shell_mode()")));
+
+    if (cur_term != 0) {
+	if (SP) {
+	    _nc_keypad(SP, FALSE);
+	    _nc_flush();
+	    NC_BUFFERED(FALSE);
+	}
+	returnCode(_nc_set_tty_mode(&cur_term->Ottyb));
+    }
+    returnCode(ERR);
+}
+
+static TTY *
+saved_tty(void)
+{
+    TTY *result = 0;
+
+    if (SP != 0) {
+	result = &(SP->_saved_tty);
+    } else {
+	if (_nc_prescreen.saved_tty == 0) {
+	    _nc_prescreen.saved_tty = typeCalloc(TTY, 1);
+	}
+	result = _nc_prescreen.saved_tty;
+    }
+    return result;
+}
+
+/*
+**	savetty()  and  resetty()
+**
+*/
+
+NCURSES_EXPORT(int)
+savetty(void)
+{
+    T((T_CALLED("savetty()")));
+
+    returnCode(_nc_get_tty_mode(saved_tty()));
+}
+
+NCURSES_EXPORT(int)
+resetty(void)
+{
+    T((T_CALLED("resetty()")));
+
+    returnCode(_nc_set_tty_mode(saved_tty()));
+}