/**
 * swap.c
 *
 * Andi Peng <andi.peng@yale.edu>
 * Section, Week 2
 * 
 * Attemptes to swap a and b
 */
 
  #include <stdio.h>
  
  void swap(int a, int b);

  int main(void)
  {
      int x = 1;
      int y = 2;
      swap(x, y);
      printf("x is %i\n", x);
      printf("y is %i\n", y);
  }

  void swap(int a, int b)
  {
      int temp = a;
      a = b;
      b = temp;
  }