#include <stdio.h>

void main(void)
 {
   int a = 1, b = 2;

   int *i_pointer;

   // Assign an address
   i_pointer = &a;

   // Change the value pointed to by i_pointer to 5
   *i_pointer = 5;

   // Display the value
   printf("Value pointed to by i_pointer is %d the variable a is %d\n",
     *i_pointer, a);

   // Assign the value
   b = *i_pointer;

   printf("Value of b is %d\n", b);
   printf("Value of i_pointer %x\n", i_pointer);
 }