/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */

/*

 *

 *  (C) 2006 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include <stdio.h>

int main()

{

    setvbuf(stdout,NULL,_IOLBF,0);  

    printf( "first line\n" );

    sleep(1);

    printf( "second line\n" );

    sleep(1); 

    printf( "last line\n" ); 

    fflush(stdout);

    return 0;

}