#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>

#define SLEEP 4 

int main(int argc, char * argv[] )
{
   pid_t child;
   printf("parent process id is: %d\n",getpid());

   if( (child = fork()) == 0 )
   {
      int counter = 1;
      printf("child:  in child, my process id is %d\n",getpid());
      printf("child:  my child variable is %d\n",child);

     while(counter < 10 ){
      printf("child:  counter: %d \t\t Sleeping for %d ... \n",counter,SLEEP);
      sleep(SLEEP);
		counter++;
     }
	  return 0;
   }
   else
   {
      printf("parent:  still in parent, my process id is still %d\n",getpid());
      printf("parent:  and my child is %d\n",child);
		return 0;
   }
}