/**
* 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>
void swap(int *x, int *y);
void main(void)
{ int x = 10;
int y = 20;
printf("main: x = %d, y = %d\n", x, y);
swap(&x, &y);
printf("main: x = %d, y = %d\n", x, y);
}void swap(int *x, int *y)
{ int temp;
printf("swap: x = %d, y = %d\n", *x, *y);
temp = *x;
*x = *y;
*y = temp;
printf("swap: x = %d, y = %d\n", *x, *y);
}