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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.

 * 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

 *      $BINDId: nameser_compat.h,v 8.11 1999/01/02 08:00:58 vixie Exp $

 */

#ifndef _ARPA_NAMESER_COMPAT_

#define _ARPA_NAMESER_COMPAT_

#define __BIND          19950621        /* (DEAD) interface version stamp. */

#include <endian.h>

/*

 * 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 BADSIG                ns_r_badsig*/

/*#define BADKEY                ns_r_badkey*/

/*#define BADTIME               ns_r_badtime*/

#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_TSIG          ns_t_tsig

#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_ */