/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.   This file is part of the GNU C Library.   Contributed by Phil Blundell, based on the Alpha version by   David Mosberger.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C 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 the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <sys/io.h>#include <errno.h>#define MAX_PORT	0x10000int iopl(int level) {	if (level > 3) {		__set_errno(EINVAL);		return -1;	}	if (level)		return ioperm(0, MAX_PORT, 1);	return 0;}