/*  
 *  =======================================================
 *  SwapInts() : Swap two integers. Correct implementation.
 * 
 *  Input  : int *ipVal1 -- pointer to first integer
 *                          argument to be swapped. 
 *         : int *ipVal2 -- pointer to second integer
 *                          argument to be swapped. 
 *  Output : void.
 *  =======================================================
 */ 

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

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

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

  SwapInts( &iVal1, &iVal2 );
}