/*  
 *  ======================================================================
 *  Function to Swap Two integers (correct implementation)
 *
 *  Copyright (C) 1993-96 by Mark Austin and David Mazzoni.
 *                                                                     
 *  This software is provided "as is" without express or implied warranty.
 *  Permission is granted to use this software on any computer system,
 *  and to redistribute it freely, subject to the following restrictions:
 * 
 *  1. The authors are not responsible for the consequences of use of
 *     this software, even if they arise from defects in the software.
 *  2. The origin of this software must not be misrepresented, either
 *     by explicit claim or by omission.
 *  3. Altered versions must be plainly marked as such, and must not
 *     be misrepresented as being the original software.
 *  4. This notice is to remain intact.
 *  ======================================================================
 */ 

void SwapInts( int *ipVal1, int *ipVal2 ) { 
int iTemp;

  iTemp   = *ipVal1;
  *ipVal1 = *ipVal2;
  *ipVal2 = iTemp;
}

int main( void ) {
int iVal1 = 100;
int iVal2 = 200;

  printf("*** In main() : iVal1 = %i iVal2 = %i\n", iVal1, iVal2 );
  printf("*** In main() : Go     to SwapInts()\n");

  SwapInts( &iVal1, &iVal2 );

  printf("*** In main() : Back from SwapInts()\n");
  printf("*** In main() : iVal1 = %i iVal2 = %i\n", iVal1, iVal2 );

}