memory3.c

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

#define A_MEGABYTE (1024*1024)
#define PHY_MEM_MEGS 1024

int main()
{
  char *s_mem;
  size_t size_to_allocate=A_MEGABYTE;
  int megs_obtained=0;

    while(1)
    {
    s_mem=(char *)malloc(size_to_allocate);
    if(s_mem!=NULL)
{
megs_obtained++;
sprintf(s_mem,"hello");
printf("\n%s -now allocated %d mb",s_mem,megs_obtained);
//sleep(1);
}
else
{
printf("\nno more memory to allocate");
exit(EXIT_FAILURE);
}

    }
exit(EXIT_SUCCESS);

}