1 /* Turning errno values into English error messages.
2    Copyright (C) 1985, 86, 87, 88, 93, 94, 95, 2000, 2001, 2006 Free Software Foundation, Inc.
3 
4    This library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public License
6    as published by the Free Software Foundation; either version 3 of
7    the License, or (at your option) any later version.
8 
9    This library is distributed in the hope that it will be useful, but
10    WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with this library; if not, write to the Free Software
16    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17    02110-1301 USA
18 */
19 
20 char *
strerror(int errnum)21 strerror (int errnum)
22 {
23   extern char *sys_errlist[];
24   extern int sys_nerr;
25 
26   if (errnum >= 0 && errnum < sys_nerr)
27     return sys_errlist[errnum];
28   return (char *) "Unknown error";
29 }
30 
31 /*
32   Local Variables:
33   c-file-style: "gnu"
34   End:
35 */
36