#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
#include "pthread.h"

int count = 0;

void * process(void * arg)
{
  int i;
  for (i = 0; i < 10; i++) 
  {
    printf("Thread %u: String is %s and count is %d\n", getpid(), arg, count++);
    sleep(rand() % 2);
  }
  return NULL;
}

int main(void)
{
  int retcode;
  pthread_t thread1, thread2;
  void * retval;

  printf("Calling process ID is %d\n", getpid());
  if (fork() == 0)
  {
    process(( void *) "aaaa");
    return 0;
  }
  if (fork() == 0)
  {
    process( (void *) "bbbb");
    return 0;
  }

  process( (void *) "cccc");
  wait();
  wait();
  return 0;
}