// Two threads displaying two strings “Hello” and “How are you? independent of each other
// compile: gcc thread.c -lpthread -o threads 

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

void * thread1()
{
        while(1){
                printf("Hello!!\n");
        }
}

void * thread2()
{
        while(1){
                printf("How are you?\n");
        }
}

int main()
{
        int status;
        pthread_t tid1,tid2;

        pthread_create(&tid1,NULL,thread1,NULL);
        pthread_create(&tid2,NULL,thread2,NULL);
        pthread_join(tid1,NULL);
        pthread_join(tid2,NULL);
        return 0;
}