1/* strerror.c --- ANSI C compatible system error routine
2
3   Copyright (C) 1986, 1988, 1989, 1991 the Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 2, or (at your option)
8   any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software Foundation,
17   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
18
19#if 0
20#include <stdio.h>
21#endif
22
23extern int sys_nerr;
24extern char *sys_errlist[];
25
26char *
27strerror(n)
28int n;
29{
30	static char mesg[30];
31
32	if (n < 0 || n >= sys_nerr) {
33		sprintf(mesg, "Unknown error (%d)", n);
34		return mesg;
35	} else
36		return sys_errlist[n];
37}
38