1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2012-2023 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <termios.h> 19 #include <unistd.h> 20 21 static struct termios t; 22 23 static void 24 break_here () 25 { 26 } 27 28 int main () 29 { 30 tcgetattr (0, &t); 31 break_here (); 32 33 /* Disable ECHO. */ 34 t.c_lflag &= ~ECHO; 35 tcsetattr (0, TCSANOW, &t); 36 tcgetattr (0, &t); 37 break_here (); 38 39 tcgetattr (0, &t); 40 break_here (); 41 42 return 0; 43 } 44