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

void *print_message_function( void *ptr );

main()
{
     pthread_t thread1, thread2;
     char *message1 = "A";
     char *message2 = "B";
     int  iret1, iret2;

    /* Create independent threads each of which will execute function */

     iret1 = pthread_create( &thread1, NULL, print_message_function, (void*) message1);
     iret2 = pthread_create( &thread2, NULL, print_message_function, (void*) message2);

     /* Wait till threads are complete before main continues. Unless we  */
     /* wait we run the risk of executing an exit which will terminate   */
     /* the process and all threads before the threads have completed.   */

	  srand ( time(NULL) );

     pthread_join( thread1, NULL);
     pthread_join( thread2, NULL);

     printf("\nThread 1 returns: %d\n",iret1);
     printf("Thread 2 returns: %d\n",iret2);
     exit(0);
}

void *print_message_function( void *ptr )
{
     char *message;
     message = (char *) ptr;
	  int i = 0;
	  while(i!=6){
		i = rand()%1000;
		printf("%s", message);
	  }
}