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Change __aconst to const so I can compile systat and vmstat with WARNS=3

/*	$NetBSD: nlist.h,v 1.13 2005/02/26 21:16:35 dsl Exp $	*/

/*-
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * 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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 *
 *	@(#)nlist.h	8.2 (Berkeley) 1/21/94
 */

#ifndef _NLIST_H_
#define	_NLIST_H_

#include <sys/cdefs.h>

/*
 * Symbol table entry format.  The #ifdef's are so that programs including
 * nlist.h can initialize nlist structures statically.
 */
struct nlist {
#ifdef _AOUT_INCLUDE_
	union {
		__aconst char *n_name;	/* symbol name (in memory) */
		long n_strx;		/* file string table offset (on disk) */
	} n_un;
#else
	const char *n_name;		/* symbol name (in memory) */
#endif

#define	N_UNDF	0x00		/* undefined */
#define	N_ABS	0x02		/* absolute address */
#define	N_TEXT	0x04		/* text segment */
#define	N_DATA	0x06		/* data segment */
#define	N_BSS	0x08		/* bss segment */
#define	N_INDR	0x0a		/* alias definition */
#define	N_SIZE	0x0c		/* pseudo type, defines a symbol's size */
#define	N_COMM	0x12		/* common reference */
#define N_SETA	0x14		/* absolute set element symbol */
#define N_SETT	0x16		/* text set element symbol */
#define N_SETD	0x18		/* data set element symbol */
#define N_SETB	0x1a		/* bss set element symbol */
#define N_SETV	0x1c		/* set vector symbol */
#define	N_FN	0x1e		/* file name (N_EXT on) */
#define	N_WARN	0x1e		/* warning message (N_EXT off) */

#define	N_EXT	0x01		/* external (global) bit, OR'ed in */
#define	N_TYPE	0x1e		/* mask for all the type bits */
	unsigned char n_type;	/* type defines */

	char n_other;		/* spare */
#define	n_hash	n_desc		/* used internally by ld(1); XXX */
	short n_desc;		/* used by stab entries */
	unsigned long n_value;	/* address/value of the symbol */
};

#define	N_FORMAT	"%08x"	/* namelist value format; XXX */
#define	N_STAB		0x0e0	/* mask for debugger symbols -- stab(5) */

__BEGIN_DECLS
int nlist(const char *, struct nlist *);
int __fdnlist(int, struct nlist *);		/* XXX for libkvm */
__END_DECLS

#endif /* !_NLIST_H_ */