1 /*
2  * Replacement for the strerror() function.
3  * Copyright (c) 1995-1998 Markku Rossi.
4  *
5  * Author: Markku Rossi <mtr@iki.fi>
6  */
7 
8 /*
9  * This file is part of GNU enscript.
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2, or (at your option)
14  * any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; see the file COPYING.  If not, write to
23  * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
24  * Boston, MA 02110-1301, USA.
25  */
26 
27 extern char *sys_errlist[];
28 extern int sys_nerr;
29 
30 char *
strerror(errnum)31 strerror (errnum)
32      int errnum;
33 {
34   if (errnum < 0 || errnum >= sys_nerr)
35     return "unknown error";
36 
37   return sys_errlist[errnum];
38 }
39