#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#define NUM_THREADS	5

void *PrintHello(void *threadid)
{
   int tid;
   tid = (int)threadid;
   printf("Hello World! It's me, thread #%d!\n", tid);
   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("In main: 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);
}