/*
 *  tourpoint1.c
 *  Create a pointer
 */
#include <stdio.h>

int main(void)
{
  int num;

  int * pnum;  // declares a variable of type integer pointer with name pnum

  num = 8;
  
  pnum = &num; //assigns address of variable num to pointer variable pnum
  
  printf("The value of num is %d\n", num);

  printf ("Memory address of num, called &num, is %p\n", &num);

  printf("The value in variable pnum is %p\n", pnum);

  printf("Thus pnum contains the address of num, i.e. it points to num\n");
 
  printf("Value at the memory location where pnum points");
  
  printf("is accessed by *pnum and is %d\n", *pnum );

  printf("Address of pointer pnum is %p\n", &pnum);

  printf("The pointer's address is different than the address it holds\n");

  return 0;

}