source: trunk/minix/lib/ansi/strerror.c@ 10

Last change on this file since 10 was 9, checked in by Mattia Monga, 13 years ago

Minix 3.1.2a

File size: 634 bytes
Line 
1/*
2 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
3 * See the copyright notice in the ACK home directory, in the file "Copyright".
4 */
5/* $Header: /cvsup/minix/src/lib/ansi/strerror.c,v 1.1.1.1 2005/04/21 14:56:06 beng Exp $ */
6
7#include <string.h>
8
9/*
10 * I don't know why, but X3J11 says that strerror() should be in declared
11 * in <string.h>. That is why the function is defined here.
12 */
13char *
14strerror(register int errnum)
15{
16 extern const char *_sys_errlist[];
17 extern const int _sys_nerr;
18
19 if (errnum < 0 || errnum >= _sys_nerr)
20 return "unknown error";
21 return (char *)_sys_errlist[errnum];
22}
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