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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2002 Maxime Henrion <mux@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SYS_KENV_H_
#define _SYS_KENV_H_
/*
* Constants for the kenv(2) syscall
*/
#define KENV_GET 0
#define KENV_SET 1
#define KENV_UNSET 2
#define KENV_DUMP 3
#define KENV_DUMP_LOADER 4
#define KENV_DUMP_STATIC 5
#define KENV_MNAMELEN 128 /* Maximum name length (for the syscall) */
#define KENV_MVALLEN 128 /* Maximum value length (for the syscall) */
#ifdef _KERNEL
/*
* Most of these variables should be const.
*/
extern bool dynamic_kenv;
extern struct mtx kenv_lock;
extern char *kern_envp;
extern char *md_envp;
extern char static_env[];
extern char static_hints[]; /* by config for now */
extern char **kenvp;
#endif /* _KERNEL */
#endif /* !_SYS_KENV_H_ */
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