/**
* Copyright (c) 2001,2002 Yoon, Hyunho <hhyoon@kldp.org>
* http://mooo.org
* ----------------------------------------------------------------------
*
* LICENSE
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#define swap(a, b) { (a) ^= (b); (b) ^= (a); (a) ^= (b); }
void main()
{ int x = 5, y = 10;
printf("x = %d, y = %d\n", x, y);
swap(x, y);
printf("x = %d, y = %d\n", x, y);
}