/*
 * tourpoint2.c
 * modify data using pointers
 */
#include <stdio.h>

int main(void)
{
  int num;
  int * pnum;
  num = 8;
  pnum = &num;

  printf("The value of num is %d\n", num);
  
  *pnum = (*pnum) * (*pnum);  // (value where pnum points to) * (value where pnum points to), assing to (value where pnum points to)
  
  printf("The value of num is %d\n", num);

  return 0;
}