#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#define NUM_THREADS	3
int counter=0;
void *PrintHello(void *threadid)
{
   counter = counter+ (int) threadid;
   printf("\n Thread Id: %d  Counter:  %d\n", threadid, counter);
   pthread_exit(NULL);
}

int main(int argc, char *argv[])
{
pthread_t threads[NUM_THREADS];
int rc, t;
for(t=0;t<NUM_THREADS;t++){
  printf("Creating thread %d\n", t);
  rc = pthread_create(&threads[t], NULL, PrintHello, (void *)t);
  if (rc){
    printf("ERROR; return code from pthread_create() is %d\n", rc);
    exit(-1);
    }
  }
pthread_exit(NULL);
}