cmd/refer/refer8.c

	refer8.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*  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.
 */

/*
 * Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
 * All Rights Reserved.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include "refer..c"

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

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

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

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