/* 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.

  * 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

  * $FreeBSD: src/include/arpa/nameser_compat.h,v 1.4 2002/05/28 04:32:25 mike 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_OPT		ns_t_opt

 #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_ */