#include <stdlib.h>
#include <stdio.h>

#define Sleep_Delay 14
#define MB 1024*1024
#define ALLOCATE 1500

int main (int argc, char **argv){
  const unsigned MemToAlloc = ALLOCATE*MB;
  printf("(1) Started\n");
  sleep(Sleep_Delay);
  char    *cp = calloc (1,MemToAlloc);
  if(cp==NULL){
    printf("Allocation failed. Exiting\n");
    exit(1);
  }
  printf("(2) Allocated %d Bytes\n",MemToAlloc);
  sleep(Sleep_Delay);
  free(cp);
  printf("(3) Data buffer is freed\n");
  sleep(Sleep_Delay);
  return 0;
};