C code

threads.c

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

#define NTHREADS 5

void *myFun(void *x)
{
  int tid;
  tid = *((int *) x);
  printf("Hi from thread %d!\n", tid);
  return NULL;
}

int main(int argc, char *argv[])
{
  pthread_t threads[NTHREADS];
  int thread_args[NTHREADS];
  int rc, i;

  /* spawn the threads */
  for (i=0; i<NTHREADS; ++i)
    {
      thread_args[i] = i;
      printf("spawning thread %d\n", i);
      rc = pthread_create(&threads[i], NULL, myFun, (void *) &thread_args[i]);
    }

  /* wait for threads to finish */
  for (i=0; i<NTHREADS; ++i) {
    rc = pthread_join(threads[i], NULL);
  }

  return 1;
}

// spawning thread 0                                                                                   
// spawning thread 1                                                                                   
// Hi from thread 0!                                                                                   
// spawning thread 2                                                                                   
// Hi from thread 1!                                                                                   
// spawning thread 3                                                                                   
// spawning thread 4                                                                                   
// Hi from thread 4!                                                                                   
// Hi from thread 3!                                                                                   
// Hi from thread 2!