/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#include "refer..c"

static char ahead[1024];
static int peeked = 0;
static char *noteof = (char *)1;

char *
input(char *s)
{
        if (peeked) {
                peeked = 0;
                if (noteof == 0)
                        return (0);
                strcpy(s, ahead);
                return (s);
        }
        return (fgets(s, 1000, in));
}

char *
lookat(void)
{
        if (peeked)
                return (ahead);
        noteof = input(ahead);
        peeked = 1;
        return (noteof);
}

void
addch(char *s, char c)
{
        while (*s)
                s++;
        *s++ = c;
        *s = 0;
}