/* This testcase is part of GDB, the GNU debugger.

   Copyright 2012-2020 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/>.  */

#include <termios.h>
#include <unistd.h>

static struct termios t;

static void
break_here ()
{
}

int main ()
{
  tcgetattr (0, &t);
  break_here ();

  /* Disable ECHO.  */
  t.c_lflag &= ~ECHO;
  tcsetattr (0, TCSANOW, &t);
  tcgetattr (0, &t);
  break_here ();

  tcgetattr (0, &t);
  break_here ();

  return 0;
}