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/* Copyright (c) 1983, 1989
 *    The Regents of the University of California.  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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 * 	This product includes software developed by the University of
 * 	California, Berkeley and its contributors.
 * 4. 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.
 */
 
/*
 *      from nameser.h	8.1 (Berkeley) 6/2/93
 *	From: Id: nameser_compat.h,v 8.9 1998/03/20 23:25:10 halley Exp
 *	$Id: nameser_compat.h,v 1.2 2001-09-27 12:01:48 chris Exp $
 */
 
#ifndef _ARPA_NAMESER_COMPAT_
#define	_ARPA_NAMESER_COMPAT_
 
#define	__BIND		19950621	/* (DEAD) interface version stamp. */
 
#include <machine/endian.h>
 
#if !defined(BYTE_ORDER) || \
    (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
    BYTE_ORDER != PDP_ENDIAN)
	/* you must determine what the correct bit order is for
	 * your compiler - the next line is an intentional error
	 * which will force your compiles to bomb until you fix
	 * the above macros.
	 */
  error "Undefined or invalid BYTE_ORDER";
#endif
 
/*
 * Structure for query header.  The order of the fields is machine- and
 * compiler-dependent, depending on the byte/bit order and the layout
 * of bit fields.  We use bit fields only in int variables, as this
 * is all ANSI requires.  This requires a somewhat confusing rearrangement.
 */
 
typedef struct {
	unsigned	id :16;		/* query identification number */
#if BYTE_ORDER == BIG_ENDIAN
			/* fields in third byte */
	unsigned	qr: 1;		/* response flag */
	unsigned	opcode: 4;	/* purpose of message */
	unsigned	aa: 1;		/* authoritive answer */
	unsigned	tc: 1;		/* truncated message */
	unsigned	rd: 1;		/* recursion desired */
			/* fields in fourth byte */
	unsigned	ra: 1;		/* recursion available */
	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
	unsigned	ad: 1;		/* authentic data from named */
	unsigned	cd: 1;		/* checking disabled by resolver */
	unsigned	rcode :4;	/* response code */
#endif
#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
			/* fields in third byte */
	unsigned	rd :1;		/* recursion desired */
	unsigned	tc :1;		/* truncated message */
	unsigned	aa :1;		/* authoritive answer */
	unsigned	opcode :4;	/* purpose of message */
	unsigned	qr :1;		/* response flag */
			/* fields in fourth byte */
	unsigned	rcode :4;	/* response code */
	unsigned	cd: 1;		/* checking disabled by resolver */
	unsigned	ad: 1;		/* authentic data from named */
	unsigned	unused :1;	/* unused bits (MBZ as of 4.9.3a3) */
	unsigned	ra :1;		/* recursion available */
#endif
			/* remaining bytes */
	unsigned	qdcount :16;	/* number of question entries */
	unsigned	ancount :16;	/* number of answer entries */
	unsigned	nscount :16;	/* number of authority entries */
	unsigned	arcount :16;	/* number of resource entries */
} HEADER;
 
#define PACKETSZ	NS_PACKETSZ
#define MAXDNAME	NS_MAXDNAME
#define MAXCDNAME	NS_MAXCDNAME
#define MAXLABEL	NS_MAXLABEL
#define	HFIXEDSZ	NS_HFIXEDSZ
#define QFIXEDSZ	NS_QFIXEDSZ
#define RRFIXEDSZ	NS_RRFIXEDSZ
#define	INT32SZ		NS_INT32SZ
#define	INT16SZ		NS_INT16SZ
#define	INADDRSZ	NS_INADDRSZ
#define	IN6ADDRSZ	NS_IN6ADDRSZ
#define	INDIR_MASK	NS_CMPRSFLGS
#define NAMESERVER_PORT	NS_DEFAULTPORT
 
#define S_ZONE		ns_s_zn
#define S_PREREQ	ns_s_pr
#define S_UPDATE	ns_s_ud
#define S_ADDT		ns_s_ar
 
#define QUERY		ns_o_query
#define IQUERY		ns_o_iquery
#define STATUS		ns_o_status
#define	NS_NOTIFY_OP	ns_o_notify
#define	NS_UPDATE_OP	ns_o_update
 
#define NOERROR		ns_r_noerror
#define FORMERR		ns_r_formerr
#define SERVFAIL	ns_r_servfail
#define NXDOMAIN	ns_r_nxdomain
#define NOTIMP		ns_r_notimpl
#define REFUSED		ns_r_refused
#define YXDOMAIN	ns_r_yxdomain
#define YXRRSET		ns_r_yxrrset
#define NXRRSET		ns_r_nxrrset
#define NOTAUTH		ns_r_notauth
#define NOTZONE		ns_r_notzone
 
#define DELETE		ns_uop_delete
#define ADD		ns_uop_add
 
#define T_A		ns_t_a
#define T_NS		ns_t_ns
#define T_MD		ns_t_md
#define T_MF		ns_t_mf
#define T_CNAME		ns_t_cname
#define T_SOA		ns_t_soa
#define T_MB		ns_t_mb
#define T_MG		ns_t_mg
#define T_MR		ns_t_mr
#define T_NULL		ns_t_null
#define T_WKS		ns_t_wks
#define T_PTR		ns_t_ptr
#define T_HINFO		ns_t_hinfo
#define T_MINFO		ns_t_minfo
#define T_MX		ns_t_mx
#define T_TXT		ns_t_txt
#define	T_RP		ns_t_rp
#define T_AFSDB		ns_t_afsdb
#define T_X25		ns_t_x25
#define T_ISDN		ns_t_isdn
#define T_RT		ns_t_rt
#define T_NSAP		ns_t_nsap
#define T_NSAP_PTR	ns_t_nsap_ptr
#define	T_SIG		ns_t_sig
#define	T_KEY		ns_t_key
#define	T_PX		ns_t_px
#define	T_GPOS		ns_t_gpos
#define	T_AAAA		ns_t_aaaa
#define	T_LOC		ns_t_loc
#define	T_NXT		ns_t_nxt
#define	T_EID		ns_t_eid
#define	T_NIMLOC	ns_t_nimloc
#define	T_SRV		ns_t_srv
#define T_ATMA		ns_t_atma
#define T_NAPTR		ns_t_naptr
#define	T_IXFR		ns_t_ixfr
#define T_AXFR		ns_t_axfr
#define T_MAILB		ns_t_mailb
#define T_MAILA		ns_t_maila
#define T_ANY		ns_t_any
 
#define C_IN		ns_c_in
#define C_CHAOS		ns_c_chaos
#define C_HS		ns_c_hs
/* BIND_UPDATE */
#define C_NONE		ns_c_none
#define C_ANY		ns_c_any
 
#define	GETSHORT		NS_GET16
#define	GETLONG			NS_GET32
#define	PUTSHORT		NS_PUT16
#define	PUTLONG			NS_PUT32
 
#endif /* _ARPA_NAMESER_COMPAT_ */