1 /* strerror.c -- strerror() replacement
2 Copyright (C) 1996 Uwe Ohse
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
17
18 char *
strerror(num)19 strerror(num)
20 int num;
21 {
22 extern char *sys_errlist[];
23 extern int sys_nerr;
24
25 if (num < 0 || num > sys_nerr)
26 return "Unknown system error / illegal error number";
27
28 return sys_errlist[num];
29 }
30