/* File:    memorymap.c
 * Author:  Samuel A. Rebelsky
 * Version: 1.0 of February 2000
 *
 * Some simple exercises to see how the memorymap() function
 * provided by HP's libraries tells us about memory usage.
 */

#include <stdio.h>
#include <malloc.h>

#define REPORT(str) printf("***** %s *****\n", str); memorymap(1); printf("\n");

int
main()
{
  char *p1, *p2, *p3;

  REPORT("INITIALLY");

  p1 = malloc(10);
  REPORT("AFTER ALLOCATING 10 BYTES");

  p2 = malloc(128);
  REPORT("AFTER ALLOCATING 128 MORE BYTES");

  free(p1); 
  REPORT("AFTER FREEING THE FIRST TEN BYTES");

  free(p2); 
  REPORT("AFTER FREEING THE 128 BYTES");

  p1 = malloc(10);
  REPORT("AFTER ALLOCATING ANOTHER TEN BYTES");

  free(p1); 
  REPORT("AFTER FREEING THOSE TEN BYTES");

}