/******************************************************************************* FILE: hello.c* DESCRIPTION:*   A "hello world" Pthreads program.  Demonstrates thread creation and*   termination.* AUTHOR: Blaise Barney* LAST REVISED: 04/05/05******************************************************************************/#include <pthread.h>#include <stdio.h>#include <stdlib.h>#define NUM_THREADS	5void *PrintHello(void *threadid){   printf("\n%d: Hello World!\n", threadid);   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);}