/*
 * Some functions from the HW
 * 
 * Ex. 4
 *  swap()
 *  
 */

#include <stdio.h>

 void swap(int *p, int *q);
 
 int main(){
     int i, j;
     i = 5;
     j = 7;
     
     printf("i = %i, j = %i\n", i, j);
     
     swap(&i, &j);
     
     printf("i = %i, j = %i\n", i, j);
     
} 

void swap(int *p, int *q){
    // swap the values of the variables
    
    int *temp;
    int i_value = *p
    int j_value = *q
    
    *p = *q
    
    //temp = p;
    //p = q;
    //q = temp;
    
}