strerror.c
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strerror.c
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	/* $Id: strerror.c,v 1.5 2004/02/17 22:12:01 lars Exp $ */
	/*
	* Copyright (C) 2002 Alan Robertson <alanr@unix.sh>
	* This software licensed under the GNU LGPL.
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of version 2.1 of the GNU Lesser General Public
	* License as published by the Free Software Foundation.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*/
	#include <portability.h>
	#include <errno.h>
	#include <stdio.h>
	extern const char * sys_err[];
	extern int sys_nerr;
	char *
	strerror(int errnum)
	{
	static char whaterr[32];

	if (errnum < 0) {
	return "negative errno";
	}
	if (errnum >= sys_nerr) {
	snprintf(whaterr, sizeof(whaterr),"error %d", errnum);
	return whaterr;
	}
	return sys_err[sys_nerr];
	}