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6d52618b15
Thu Dec 19 23:28:33 1996 Ulrich Drepper <drepper@cygnus.com> * resolv/resolv.h: Update from BIND 4.9.5-P1. * resolv/res_comp.c: Likewise. * resolv/res_debug.c: Likewise. * resolv/Banner: Update version number. Thu Dec 19 20:58:53 1996 Ulrich Drepper <drepper@cygnus.com> * elf/dlfcn.h: Add extern "C" wrapper. * io/utime.h: Don't define NULL since this isn't allowed in POSIX. * io/sys/stat.h: Declare `lstat' only if __USE_BSD || __USE_XOPEN_EXTENDED. * locale/locale.h: Define NULL. * math/math.c: Don't include <errno.h> to define math errors. * stdlib/stdlib.h: Likewise. * posix/unistd.h: Don't declare environ. * posix/sys/utsname.h (struct utsname): Declare member domainname as __domainname is !__USE_GNU. * signal/signal.h: Declare size_t only if __USE_BSD || __USE_XOPEN_EXTENDED. * stdio/stdio.h: Don't declare cuserid when __USE_POSIX, but instead when __USE_XOPEN. * string/string.h: Define strndup only if __USE_GNU. * sysdeps/unix/sysv/linux/clock.c: New file. * sysdeps/unix/sysv/linux/timebits.h: Define CLOCKS_PER_SEC as 1000000 per X/Open standard. * features.h: Add code to recognize _POSIX_C_SOURCE value 199309. Define __USE_POSIX199309. * posix/unistd.h: Declare fdatasync only if __USE_POSIX199309. * time/time.c: Declare nanosleep only if __USE_POSIX199309. Patches by Rüdiger Helsch <rh@unifix.de>. * locale/locale.h: Add declaration of newlocale and freelocale. * new-malloc/Makefile (distibute): Add mtrace.awk. (dist-routines): Add mcheck and mtrace. (install-lib, non-lib.a): Define as libmcheck.a. * new-malloc/malloc.h: Add declaration of __malloc_initialized. * new-malloc/mcheck.c: New file. * new-malloc/mcheck.h: New file. * new-malloc/mtrace.c: New file. * new-malloc/mtrace.awk: New file. * posix/unistd.h: Correct prototype for usleep. * sysdeps/unix/bsd/usleep.c: De-ANSI-declfy. Correct return type. * sysdeps/unix/sysv/linux/usleep.c: Real implementation based on nanosleep. * signal/signal.h: Change protoype of __sigpause to take two arguments. Remove prototype for sigpause. Add two different macros named sigpause selected when __USE_BSD or __USE_XOPEN are defined. This is necessary since the old BSD definition of theis function collides with the X/Open definition. * sysdeps/posix/sigpause.c: Change function definition to also fit X/Open definition. * sysdeps/libm-i387/e_exp.S: Make sure stack is empty when the function is left. * sysdeps/libm-i387/e_expl.S: Likewise. Patch by HJ Lu. 1996-12-17 Paul Eggert <eggert@twinsun.com> * many, many files: Spelling corrections. * catgets/catgetsinfo.h (mmapped): Renamed from mmaped (in struct catalog_info.status). * mach/err_kern.sub (err_codes_unix), string/stratcliff.c (main): Fix spelling in message. * po/libc.pot: Fix spelling in message for `zic'; this anticipates a fix in the tzcode distribution. Wed Dec 18 15:48:02 1996 Ulrich Drepper <drepper@cygnus.com> * time/strftime.c: Implement ^ flag to cause output be converted to use upper case characters. * time/zic.c: Update from ADO tzcode1996n. Wed Dec 18 14:29:24 1996 Erik Naggum <erik@naggum.no> * time/strftime.c (add): Don't change global `i' until all is over. Define NULL is not already defined. Tue Dec 17 09:49:03 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/iovsprintf.c (_IO_vsprintf): Change `&sf' to `&sf._sbf._f' to avoid the need for a cast. * libio/iovsscanf.c (_IO_vsscanf): Likewise. * sunrpc/rpc/xdr.h: Add prototype for xdr_free.
393 lines
15 KiB
C
393 lines
15 KiB
C
/*
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* ++Copyright++ 1983, 1989, 1993
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* -
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* Copyright (c) 1983, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* -
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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* -
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* Portions Copyright (c) 1995 by International Business Machines, Inc.
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*
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* International Business Machines, Inc. (hereinafter called IBM) grants
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* permission under its copyrights to use, copy, modify, and distribute this
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* Software with or without fee, provided that the above copyright notice and
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* all paragraphs of this notice appear in all copies, and that the name of IBM
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* not be used in connection with the marketing of any product incorporating
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* the Software or modifications thereof, without specific, written prior
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* permission.
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*
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* To the extent it has a right to do so, IBM grants an immunity from suit
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* under its patents, if any, for the use, sale or manufacture of products to
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* the extent that such products are used for performing Domain Name System
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* dynamic updates in TCP/IP networks by means of the Software. No immunity is
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* granted for any product per se or for any other function of any product.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
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* DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
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* IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* --Copyright--
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*/
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/*
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* @(#)nameser.h 8.1 (Berkeley) 6/2/93
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* $Id$
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*/
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#ifndef _NAMESER_H_
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#define _NAMESER_H_
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#include <sys/param.h>
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#if (!defined(BSD)) || (BSD < 199306)
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# include <sys/bitypes.h>
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#else
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# include <sys/types.h>
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#endif
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#include <sys/cdefs.h>
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#ifdef _AUX_SOURCE
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# include <sys/types.h>
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#endif
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/*
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* revision information. this is the release date in YYYYMMDD format.
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* it can change every day so the right thing to do with it is use it
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* in preprocessor commands such as "#if (__BIND > 19931104)". do not
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* compare for equality; rather, use it to determine whether your resolver
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* is new enough to contain a certain feature.
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*/
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#define __BIND 19960801 /* interface version stamp */
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/*
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* Define constants based on rfc883
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*/
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#define PACKETSZ 512 /* maximum packet size */
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#define MAXDNAME 1025 /* maximum domain name */
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#define MAXCDNAME 255 /* maximum compressed domain name */
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#define MAXLABEL 63 /* maximum length of domain label */
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#define HFIXEDSZ 12 /* #/bytes of fixed data in header */
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#define QFIXEDSZ 4 /* #/bytes of fixed data in query */
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#define RRFIXEDSZ 10 /* #/bytes of fixed data in r record */
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#define INT32SZ 4 /* for systems without 32-bit ints */
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#define INT16SZ 2 /* for systems without 16-bit ints */
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#define INADDRSZ 4 /* IPv4 T_A */
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#define IN6ADDRSZ 16 /* IPv6 T_AAAA */
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/*
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* Internet nameserver port number
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*/
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#define NAMESERVER_PORT 53
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/*
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* Currently defined opcodes
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*/
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#define QUERY 0x0 /* standard query */
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#define IQUERY 0x1 /* inverse query */
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#define STATUS 0x2 /* nameserver status query */
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/*#define xxx 0x3*/ /* 0x3 reserved */
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#define NS_NOTIFY_OP 0x4 /* notify secondary of SOA change */
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/*
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* Currently defined response codes
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*/
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#define NOERROR 0 /* no error */
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#define FORMERR 1 /* format error */
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#define SERVFAIL 2 /* server failure */
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#define NXDOMAIN 3 /* non existent domain */
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#define NOTIMP 4 /* not implemented */
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#define REFUSED 5 /* query refused */
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/*
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* Type values for resources and queries
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*/
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#define T_A 1 /* host address */
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#define T_NS 2 /* authoritative server */
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#define T_MD 3 /* mail destination */
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#define T_MF 4 /* mail forwarder */
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#define T_CNAME 5 /* canonical name */
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#define T_SOA 6 /* start of authority zone */
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#define T_MB 7 /* mailbox domain name */
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#define T_MG 8 /* mail group member */
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#define T_MR 9 /* mail rename name */
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#define T_NULL 10 /* null resource record */
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#define T_WKS 11 /* well known service */
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#define T_PTR 12 /* domain name pointer */
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#define T_HINFO 13 /* host information */
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#define T_MINFO 14 /* mailbox information */
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#define T_MX 15 /* mail routing information */
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#define T_TXT 16 /* text strings */
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#define T_RP 17 /* responsible person */
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#define T_AFSDB 18 /* AFS cell database */
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#define T_X25 19 /* X_25 calling address */
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#define T_ISDN 20 /* ISDN calling address */
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#define T_RT 21 /* router */
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#define T_NSAP 22 /* NSAP address */
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#define T_NSAP_PTR 23 /* reverse NSAP lookup (deprecated) */
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#define T_SIG 24 /* security signature */
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#define T_KEY 25 /* security key */
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#define T_PX 26 /* X.400 mail mapping */
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#define T_GPOS 27 /* geographical position (withdrawn) */
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#define T_AAAA 28 /* IP6 Address */
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#define T_LOC 29 /* Location Information */
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#define T_NXT 30 /* Next Valid Name in Zone */
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#define T_EID 31 /* Endpoint identifier */
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#define T_NIMLOC 32 /* Nimrod locator */
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#define T_SRV 33 /* Server selection */
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#define T_ATMA 34 /* ATM Address */
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#define T_NAPTR 35 /* Naming Authority PoinTeR */
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/* non standard */
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#define T_UINFO 100 /* user (finger) information */
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#define T_UID 101 /* user ID */
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#define T_GID 102 /* group ID */
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#define T_UNSPEC 103 /* Unspecified format (binary data) */
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/* Query type values which do not appear in resource records */
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#define T_IXFR 251 /* incremental zone transfer */
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#define T_AXFR 252 /* transfer zone of authority */
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#define T_MAILB 253 /* transfer mailbox records */
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#define T_MAILA 254 /* transfer mail agent records */
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#define T_ANY 255 /* wildcard match */
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/*
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* Values for class field
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*/
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#define C_IN 1 /* the arpa internet */
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#define C_CHAOS 3 /* for chaos net (MIT) */
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#define C_HS 4 /* for Hesiod name server (MIT) (XXX) */
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/* Query class values which do not appear in resource records */
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#define C_ANY 255 /* wildcard match */
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/*
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* Flags field of the KEY RR rdata
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*/
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#define KEYFLAG_TYPEMASK 0xC000 /* Mask for "type" bits */
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#define KEYFLAG_TYPE_AUTH_CONF 0x0000 /* Key usable for both */
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#define KEYFLAG_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */
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#define KEYFLAG_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */
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#define KEYFLAG_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */
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/* The type bits can also be interpreted independently, as single bits: */
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#define KEYFLAG_NO_AUTH 0x8000 /* Key not usable for authentication */
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#define KEYFLAG_NO_CONF 0x4000 /* Key not usable for confidentiality */
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#define KEYFLAG_EXPERIMENTAL 0x2000 /* Security is *mandatory* if bit=0 */
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#define KEYFLAG_RESERVED3 0x1000 /* reserved - must be zero */
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#define KEYFLAG_RESERVED4 0x0800 /* reserved - must be zero */
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#define KEYFLAG_USERACCOUNT 0x0400 /* key is assoc. with a user acct */
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#define KEYFLAG_ENTITY 0x0200 /* key is assoc. with entity eg host */
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#define KEYFLAG_ZONEKEY 0x0100 /* key is zone key for the zone named */
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#define KEYFLAG_IPSEC 0x0080 /* key is for IPSEC use (host or user)*/
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#define KEYFLAG_EMAIL 0x0040 /* key is for email (MIME security) */
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#define KEYFLAG_RESERVED10 0x0020 /* reserved - must be zero */
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#define KEYFLAG_RESERVED11 0x0010 /* reserved - must be zero */
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#define KEYFLAG_SIGNATORYMASK 0x000F /* key can sign DNS RR's of same name */
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#define KEYFLAG_RESERVED_BITMASK ( KEYFLAG_RESERVED3 | \
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KEYFLAG_RESERVED4 | \
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KEYFLAG_RESERVED10| KEYFLAG_RESERVED11)
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/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
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#define ALGORITHM_MD5RSA 1 /* MD5 with RSA */
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#define ALGORITHM_EXPIRE_ONLY 253 /* No alg, no security */
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#define ALGORITHM_PRIVATE_OID 254 /* Key begins with OID indicating alg */
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/* Signatures */
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/* Size of a mod or exp in bits */
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#define MIN_MD5RSA_KEY_PART_BITS 512
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#define MAX_MD5RSA_KEY_PART_BITS 2552
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/* Total of binary mod and exp, bytes */
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#define MAX_MD5RSA_KEY_BYTES ((MAX_MD5RSA_KEY_PART_BITS+7/8)*2+3)
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/* Max length of text sig block */
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#define MAX_KEY_BASE64 (((MAX_MD5RSA_KEY_BYTES+2)/3)*4)
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/*
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* Status return codes for T_UNSPEC conversion routines
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*/
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#define CONV_SUCCESS 0
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#define CONV_OVERFLOW (-1)
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#define CONV_BADFMT (-2)
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#define CONV_BADCKSUM (-3)
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#define CONV_BADBUFLEN (-4)
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#ifndef BYTE_ORDER
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#if (BSD >= 199103)
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# include <machine/endian.h>
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#else
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#ifdef linux
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# include <endian.h>
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#else
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#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */
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#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
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#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp)*/
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#if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
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defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
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defined(__alpha__) || defined(__alpha)
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#define BYTE_ORDER LITTLE_ENDIAN
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#endif
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#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
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defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
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defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
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defined(apollo) || defined(__convex__) || defined(_CRAY) || \
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defined(__hppa) || defined(__hp9000) || \
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defined(__hp9000s300) || defined(__hp9000s700) || \
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defined (BIT_ZERO_ON_LEFT) || defined(m68k)
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#define BYTE_ORDER BIG_ENDIAN
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#endif
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#endif /* linux */
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#endif /* BSD */
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#endif /* BYTE_ORDER */
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#if !defined(BYTE_ORDER) || \
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(BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
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BYTE_ORDER != PDP_ENDIAN)
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/* you must determine what the correct bit order is for
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* your compiler - the next line is an intentional error
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* which will force your compiles to bomb until you fix
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* the above macros.
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*/
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error "Undefined or invalid BYTE_ORDER";
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#endif
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/*
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* Structure for query header. The order of the fields is machine- and
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* compiler-dependent, depending on the byte/bit order and the layout
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* of bit fields. We use bit fields only in int variables, as this
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* is all ANSI requires. This requires a somewhat confusing rearrangement.
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*/
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typedef struct {
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unsigned id :16; /* query identification number */
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#if BYTE_ORDER == BIG_ENDIAN
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/* fields in third byte */
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unsigned qr: 1; /* response flag */
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unsigned opcode: 4; /* purpose of message */
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unsigned aa: 1; /* authoritative answer */
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unsigned tc: 1; /* truncated message */
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unsigned rd: 1; /* recursion desired */
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/* fields in fourth byte */
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unsigned ra: 1; /* recursion available */
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unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */
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unsigned ad: 1; /* authentic data from named */
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unsigned cd: 1; /* checking disabled by resolver */
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unsigned rcode :4; /* response code */
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#endif
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#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
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/* fields in third byte */
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unsigned rd :1; /* recursion desired */
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unsigned tc :1; /* truncated message */
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unsigned aa :1; /* authoritative answer */
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unsigned opcode :4; /* purpose of message */
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unsigned qr :1; /* response flag */
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/* fields in fourth byte */
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unsigned rcode :4; /* response code */
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unsigned cd: 1; /* checking disabled by resolver */
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unsigned ad: 1; /* authentic data from named */
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unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */
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unsigned ra :1; /* recursion available */
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#endif
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/* remaining bytes */
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unsigned qdcount :16; /* number of question entries */
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unsigned ancount :16; /* number of answer entries */
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unsigned nscount :16; /* number of authority entries */
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unsigned arcount :16; /* number of resource entries */
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} HEADER;
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/*
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* Defines for handling compressed domain names
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*/
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#define INDIR_MASK 0xc0
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extern u_int16_t _getshort __P((const u_char *));
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extern u_int32_t _getlong __P((const u_char *));
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/*
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* Inline versions of get/put short/long. Pointer is advanced.
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*
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* These macros demonstrate the property of C whereby it can be
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* portable or it can be elegant but rarely both.
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*/
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#define GETSHORT(s, cp) { \
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register u_char *t_cp = (u_char *)(cp); \
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(s) = ((u_int16_t)t_cp[0] << 8) \
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| ((u_int16_t)t_cp[1]) \
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; \
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(cp) += INT16SZ; \
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}
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#define GETLONG(l, cp) { \
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register u_char *t_cp = (u_char *)(cp); \
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(l) = ((u_int32_t)t_cp[0] << 24) \
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| ((u_int32_t)t_cp[1] << 16) \
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| ((u_int32_t)t_cp[2] << 8) \
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| ((u_int32_t)t_cp[3]) \
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; \
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(cp) += INT32SZ; \
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}
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#define PUTSHORT(s, cp) { \
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register u_int16_t t_s = (u_int16_t)(s); \
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register u_char *t_cp = (u_char *)(cp); \
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*t_cp++ = t_s >> 8; \
|
|
*t_cp = t_s; \
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|
(cp) += INT16SZ; \
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|
}
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#define PUTLONG(l, cp) { \
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|
register u_int32_t t_l = (u_int32_t)(l); \
|
|
register u_char *t_cp = (u_char *)(cp); \
|
|
*t_cp++ = t_l >> 24; \
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|
*t_cp++ = t_l >> 16; \
|
|
*t_cp++ = t_l >> 8; \
|
|
*t_cp = t_l; \
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|
(cp) += INT32SZ; \
|
|
}
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|
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#endif /* !_NAMESER_H_ */
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