Import (trimmed) ISC bind-8.1.2-t3b. This will be updated to 8.1.2 on

final release.

Obtained from:  ftp.isc.org

19 files changed, 1654 insertions, 461 deletions

diff --git a/contrib/bind/include/Makefile b/contrib/bind/include/Makefile
index 13df424..d0a13a8 100644
--- a/contrib/bind/include/Makefile
+++ b/contrib/bind/include/Makefile
@@ -1,74 +1,53 @@
-# ++Copyright++ 1993
-# -
-# Copyright (c) 
-#    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.
-# -
-# Portions Copyright (c) 1993 by Digital Equipment Corporation.
-# 
+# Copyright (c) 1996 by Internet Software Consortium
+#
 # Permission to use, copy, modify, and distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above
-# copyright notice and this permission notice appear in all copies, and that
-# the name of Digital Equipment Corporation not be used in advertising or
-# publicity pertaining to distribution of the document or software without
-# specific, written prior permission.
-# 
-# THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
-# WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
-# OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
-# CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 # DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 # PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 # SOFTWARE.
-# -
-# --Copyright--
 
-SUBDIRS = arpa
-HFILES = netdb.h resolv.h
+SUBDIRS = arpa isc
+HFILES = netdb.h resolv.h irs.h hesiod.h
 
 DESTDIR=
-DESTINC= /usr/include
+DESTINC= /usr/local/bind/include
+INSTALL= install
 
 MARGS= DESTDIR="${DESTDIR}" DESTINC="${DESTINC}" INSTALL="${INSTALL}" \
 	MAKE="${MAKE}"
 
-all depend clean install::
+all depend clean distclean install::
 	@for x in ${SUBDIRS}; do \
 		(cd $$x; pwd; ${MAKE} ${MARGS} $@); \
 	done
 
-clean::
+distclean:: clean
+
+clean:: FRC
 	rm -f *~ *.BAK *.CKP *.orig
 
-install::
+install:: ${DESTDIR}${DESTINC}
 	@set -x; for x in ${HFILES}; do \
 		${INSTALL} -c -m 444 $$x ${DESTDIR}${DESTINC}/$$x; \
 	done
+
+${DESTDIR}${DESTINC}:
+	mkdir -p ${DESTDIR}${DESTINC}; 
+
+links:: FRC
+	@set -e; ln -s SRC/*.h .; \
+	for x in $(SUBDIRS); do \
+		( mkdir $$x; cd $$x; pwd; ln -s ../SRC/$$x SRC; \
+		  cp SRC/Makefile Makefile; chmod +w Makefile; \
+		  $(MAKE) $(MARGS) links; \
+		); \
+	done
+
+FRC:
diff --git a/contrib/bind/include/arpa/Makefile b/contrib/bind/include/arpa/Makefile
index 2ebfe2c..279c569 100644
--- a/contrib/bind/include/arpa/Makefile
+++ b/contrib/bind/include/arpa/Makefile
@@ -1,64 +1,28 @@
-# ++Copyright++ 1993
-# -
-# Copyright (c) 
-#    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.
-# -
-# Portions Copyright (c) 1993 by Digital Equipment Corporation.
-# 
+# Copyright (c) 1996 by Internet Software Consortium
+#
 # Permission to use, copy, modify, and distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above
-# copyright notice and this permission notice appear in all copies, and that
-# the name of Digital Equipment Corporation not be used in advertising or
-# publicity pertaining to distribution of the document or software without
-# specific, written prior permission.
-# 
-# THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
-# WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
-# OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
-# CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 # DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 # PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 # SOFTWARE.
-# -
-# --Copyright--
 
-HFILES = inet.h nameser.h
+HFILES = inet.h nameser.h nameser_compat.h
 
 DESTDIR =
-DESTINC = /usr/include
+DESTINC = /usr/local/bind/include
 
 all depend:
 
-clean:
+distclean: clean
+
+clean: FRC
 	rm -f *~ *.BAK *.CKP *.orig
 
 install: ${DESTDIR}${DESTINC}/arpa
@@ -67,4 +31,9 @@ install: ${DESTDIR}${DESTINC}/arpa
 	done
 
 ${DESTDIR}${DESTINC}/arpa:
-	mkdir $@
+	mkdir -p ${DESTDIR}${DESTINC}/arpa
+
+links: FRC
+	@set -e; ln -s SRC/*.h .
+
+FRC:
diff --git a/contrib/bind/include/arpa/inet.h b/contrib/bind/include/arpa/inet.h
index 2a4460f..6065980 100644
--- a/contrib/bind/include/arpa/inet.h
+++ b/contrib/bind/include/arpa/inet.h
@@ -55,7 +55,7 @@
 
 /*
  *	@(#)inet.h	8.1 (Berkeley) 6/2/93
- *	$Id: inet.h,v 8.6 1996/08/08 06:54:29 vixie Exp $
+ *	$Id: inet.h,v 8.5 1997/01/29 08:48:09 vixie Exp $
  */
 
 #ifndef _INET_H_
@@ -71,6 +71,21 @@
 #endif
 #include <sys/cdefs.h>
 
+#define	inet_addr		__inet_addr
+#define	inet_aton		__inet_aton
+#define	inet_lnaof		__inet_lnaof
+#define	inet_makeaddr		__inet_makeaddr
+#define	inet_neta		__inet_neta
+#define	inet_netof		__inet_netof
+#define	inet_network		__inet_network
+#define	inet_net_ntop		__inet_net_ntop
+#define	inet_net_pton		__inet_net_pton
+#define	inet_ntoa		__inet_ntoa
+#define	inet_pton		__inet_pton
+#define	inet_ntop		__inet_ntop
+#define	inet_nsap_addr		__inet_nsap_addr
+#define	inet_nsap_ntoa		__inet_nsap_ntoa
+
 __BEGIN_DECLS
 unsigned long	 inet_addr __P((const char *));
 int		 inet_aton __P((const char *, struct in_addr *));
diff --git a/contrib/bind/include/arpa/nameser.h b/contrib/bind/include/arpa/nameser.h
index f029e64..8d0faf5 100644
--- a/contrib/bind/include/arpa/nameser.h
+++ b/contrib/bind/include/arpa/nameser.h
@@ -1,6 +1,4 @@
 /*
- * ++Copyright++ 1983, 1989, 1993
- * -
  * Copyright (c) 1983, 1989, 1993
  *    The Regents of the University of California.  All rights reserved.
  * 
@@ -31,57 +29,33 @@
  * 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.
- * -
- * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- * 
+ */
+
+/*
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies, and that
- * the name of Digital Equipment Corporation not be used in advertising or
- * publicity pertaining to distribution of the document or software without
- * specific, written prior permission.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
- * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  * SOFTWARE.
- * -
- * Portions Copyright (c) 1995 by International Business Machines, Inc.
- *
- * International Business Machines, Inc. (hereinafter called IBM) grants
- * permission under its copyrights to use, copy, modify, and distribute this
- * Software with or without fee, provided that the above copyright notice and
- * all paragraphs of this notice appear in all copies, and that the name of IBM
- * not be used in connection with the marketing of any product incorporating
- * the Software or modifications thereof, without specific, written prior
- * permission.
- *
- * To the extent it has a right to do so, IBM grants an immunity from suit
- * under its patents, if any, for the use, sale or manufacture of products to
- * the extent that such products are used for performing Domain Name System
- * dynamic updates in TCP/IP networks by means of the Software.  No immunity is
- * granted for any product per se or for any other function of any product.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE.  IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
- * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
- * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * --Copyright--
  */
 
 /*
- *      @(#)nameser.h	8.1 (Berkeley) 6/2/93
- *	$Id: nameser.h,v 8.11 1996/10/08 04:51:02 vixie Exp $
+ *	$Id: nameser.h,v 8.16 1998/02/06 00:35:58 halley Exp $
  */
 
-#ifndef _NAMESER_H_
-#define _NAMESER_H_
+#ifndef _ARPA_NAMESER_H_
+#define _ARPA_NAMESER_H_
+
+#define BIND_4_COMPAT
 
 #include <sys/param.h>
 #if (!defined(BSD)) || (BSD < 199306)
@@ -91,302 +65,388 @@
 #endif
 #include <sys/cdefs.h>
 
-#ifdef _AUX_SOURCE
-# include <sys/types.h>
-#endif
-
 /*
  * revision information.  this is the release date in YYYYMMDD format.
  * it can change every day so the right thing to do with it is use it
- * in preprocessor commands such as "#if (__BIND > 19931104)".  do not
- * compare for equality; rather, use it to determine whether your resolver
+ * in preprocessor commands such as "#if (__NAMESER > 19931104)".  do not
+ * compare for equality; rather, use it to determine whether your libnameser.a
  * is new enough to contain a certain feature.
  */
 
-#define __BIND		19960801	/* interface version stamp */
+/* XXXRTH I made this bigger than __BIND in 4.9.5 T6B */
+#define __NAMESER	19961001	/* New interface version stamp. */
 
 /*
- * Define constants based on rfc883
+ * Define constants based on RFC 883, RFC 1034, RFC 1035
  */
-#define PACKETSZ	512		/* maximum packet size */
-#define MAXDNAME	1025		/* maximum presentation domain name */
-#define MAXCDNAME	255		/* maximum compressed domain name */
-#define MAXLABEL	63		/* maximum length of domain label */
-#define HFIXEDSZ	12		/* #/bytes of fixed data in header */
-#define QFIXEDSZ	4		/* #/bytes of fixed data in query */
-#define RRFIXEDSZ	10		/* #/bytes of fixed data in r record */
-#define INT32SZ		4		/* for systems without 32-bit ints */
-#define INT16SZ		2		/* for systems without 16-bit ints */
-#define INADDRSZ	4		/* IPv4 T_A */
-#define IN6ADDRSZ	16		/* IPv6 T_AAAA */
+#define NS_PACKETSZ	512	/* maximum packet size */
+#define NS_MAXDNAME	1025	/* maximum domain name */
+#define NS_MAXCDNAME	255	/* maximum compressed domain name */
+#define NS_MAXLABEL	63	/* maximum length of domain label */
+#define NS_HFIXEDSZ	12	/* #/bytes of fixed data in header */
+#define NS_QFIXEDSZ	4	/* #/bytes of fixed data in query */
+#define NS_RRFIXEDSZ	10	/* #/bytes of fixed data in r record */
+#define NS_INT32SZ	4	/* #/bytes of data in a u_int32_t */
+#define NS_INT16SZ	2	/* #/bytes of data in a u_int16_t */
+#define NS_INT8SZ	1	/* #/bytes of data in a u_int8_t */
+#define NS_INADDRSZ	4	/* IPv4 T_A */
+#define NS_IN6ADDRSZ	16	/* IPv6 T_AAAA */
+#define NS_CMPRSFLGS	0xc0	/* Flag bits indicating name compression. */
+#define NS_DEFAULTPORT	53	/* For both TCP and UDP. */
 
 /*
- * Internet nameserver port number
+ * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord()
+ * in synch with it.
  */
-#define NAMESERVER_PORT	53
+typedef enum __ns_sect {
+	ns_s_qd = 0,		/* Query: Question. */
+	ns_s_zn = 0,		/* Update: Zone. */
+	ns_s_an = 1,		/* Query: Answer. */
+	ns_s_pr = 1,		/* Update: Prerequisites. */
+	ns_s_ns = 2,		/* Query: Name servers. */
+	ns_s_ud = 2,		/* Update: Update. */
+	ns_s_ar = 3,		/* Query|Update: Additional records. */
+	ns_s_max = 4
+} ns_sect;
 
 /*
- * Currently defined opcodes
+ * This is a message handle.  It is caller allocated and has no dynamic data.
+ * This structure is intended to be opaque to all but ns_parse.c, thus the
+ * leading _'s on the member names.  Use the accessor functions, not the _'s.
  */
-#define QUERY		0x0		/* standard query */
-#define IQUERY		0x1		/* inverse query */
-#define STATUS		0x2		/* nameserver status query */
-/*#define xxx		0x3*/		/* 0x3 reserved */
-#define NS_NOTIFY_OP	0x4		/* notify secondary of SOA change */
+typedef struct __ns_msg {
+	const u_char	*_msg, *_eom;
+	u_int16_t	_id, _flags, _counts[ns_s_max];
+	const u_char	*_sections[ns_s_max];
+	ns_sect		_sect;
+	int		_rrnum;
+	const u_char	*_ptr;
+} ns_msg;
+
+/* Private data structure - do not use from outside library. */
+struct _ns_flagdata {  int mask, shift;  };
+extern struct _ns_flagdata _ns_flagdata[];
+
+/* Accessor macros - this is part of the public interface. */
+#define ns_msg_getflag(handle, flag) ( \
+			((handle)._flags & _ns_flagdata[flag].mask) \
+			 >> _ns_flagdata[flag].shift \
+			)
+#define ns_msg_id(handle) ((handle)._id + 0)
+#define ns_msg_base(handle) ((handle)._msg + 0)
+#define ns_msg_end(handle) ((handle)._eom + 0)
+#define ns_msg_size(handle) ((handle)._eom - (handle)._msg)
+#define ns_msg_count(handle, section) ((handle)._counts[section] + 0)
+
 /*
- * Currently defined response codes
+ * This is a parsed record.  It is caller allocated and has no dynamic data.
  */
-#define NOERROR		0		/* no error */
-#define FORMERR		1		/* format error */
-#define SERVFAIL	2		/* server failure */
-#define NXDOMAIN	3		/* non existent domain */
-#define NOTIMP		4		/* not implemented */
-#define REFUSED		5		/* query refused */
+typedef	struct __ns_rr {
+	char		name[NS_MAXDNAME];	/* XXX need to malloc */
+	u_int16_t	type;
+	u_int16_t	class;
+	u_int32_t	ttl;
+	u_int16_t	rdlength;
+	const u_char	*rdata;
+} ns_rr;
+
+/* Accessor macros - this is part of the public interface. */
+#define ns_rr_name(rr)	(((rr).name[0] != '\0') ? (rr).name : ".")
+#define ns_rr_type(rr)	((rr).type + 0)
+#define ns_rr_class(rr)	((rr).class + 0)
+#define ns_rr_ttl(rr)	((rr).ttl + 0)
+#define ns_rr_rdlen(rr)	((rr).rdlength + 0)
+#define ns_rr_rdata(rr)	((rr).rdata + 0)
 
 /*
- * Type values for resources and queries
+ * These don't have to be in the same order as in the packet flags word,
+ * and they can even overlap in some cases, but they will need to be kept
+ * in synch with ns_parse.c:ns_flagdata[].
  */
-#define T_A		1		/* host address */
-#define T_NS		2		/* authoritative server */
-#define T_MD		3		/* mail destination */
-#define T_MF		4		/* mail forwarder */
-#define T_CNAME		5		/* canonical name */
-#define T_SOA		6		/* start of authority zone */
-#define T_MB		7		/* mailbox domain name */
-#define T_MG		8		/* mail group member */
-#define T_MR		9		/* mail rename name */
-#define T_NULL		10		/* null resource record */
-#define T_WKS		11		/* well known service */
-#define T_PTR		12		/* domain name pointer */
-#define T_HINFO		13		/* host information */
-#define T_MINFO		14		/* mailbox information */
-#define T_MX		15		/* mail routing information */
-#define T_TXT		16		/* text strings */
-#define T_RP		17		/* responsible person */
-#define T_AFSDB		18		/* AFS cell database */
-#define T_X25		19		/* X_25 calling address */
-#define T_ISDN		20		/* ISDN calling address */
-#define T_RT		21		/* router */
-#define T_NSAP		22		/* NSAP address */
-#define T_NSAP_PTR	23		/* reverse NSAP lookup (deprecated) */
-#define T_SIG		24		/* security signature */
-#define T_KEY		25		/* security key */
-#define T_PX		26		/* X.400 mail mapping */
-#define T_GPOS		27		/* geographical position (withdrawn) */
-#define T_AAAA		28		/* IP6 Address */
-#define T_LOC		29		/* Location Information */
-#define T_NXT		30		/* Next Valid Name in Zone */
-#define T_EID		31		/* Endpoint identifier */
-#define T_NIMLOC	32		/* Nimrod locator */
-#define T_SRV		33		/* Server selection */
-#define T_ATMA		34		/* ATM Address */
-#define T_NAPTR		35		/* Naming Authority PoinTeR */
-	/* non standard */
-#define T_UINFO		100		/* user (finger) information */
-#define T_UID		101		/* user ID */
-#define T_GID		102		/* group ID */
-#define T_UNSPEC	103		/* Unspecified format (binary data) */
-	/* Query type values which do not appear in resource records */
-#define	T_IXFR		251		/* incremental zone transfer */
-#define T_AXFR		252		/* transfer zone of authority */
-#define T_MAILB		253		/* transfer mailbox records */
-#define T_MAILA		254		/* transfer mail agent records */
-#define T_ANY		255		/* wildcard match */
+typedef enum __ns_flag {
+	ns_f_qr,		/* Question/Response. */
+	ns_f_opcode,		/* Operation code. */
+	ns_f_aa,		/* Authoritative Answer. */
+	ns_f_tc,		/* Truncation occurred. */
+	ns_f_rd,		/* Recursion Desired. */
+	ns_f_ra,		/* Recursion Available. */
+	ns_f_z,			/* MBZ. */
+	ns_f_ad,		/* Authentic Data (DNSSEC). */
+	ns_f_cd,		/* Checking Disabled (DNSSEC). */
+	ns_f_rcode,		/* Response code. */
+	ns_f_max
+} ns_flag;
 
 /*
- * Values for class field
+ * Currently defined opcodes.
  */
-
-#define C_IN		1		/* the arpa internet */
-#define C_CHAOS		3		/* for chaos net (MIT) */
-#define C_HS		4		/* for Hesiod name server (MIT) (XXX) */
-	/* Query class values which do not appear in resource records */
-#define C_ANY		255		/* wildcard match */
+typedef enum __ns_opcode {
+	ns_o_query = 0,		/* Standard query. */
+	ns_o_iquery = 1,	/* Inverse query (deprecated/unsupported). */
+	ns_o_status = 2,	/* Name server status query (unsupported). */
+				/* Opcode 3 is undefined/reserved. */
+	ns_o_notify = 4,	/* Zone change notification. */
+	ns_o_update = 5,	/* Zone update message. */
+	ns_o_max = 6
+} ns_opcode;
 
 /*
- * Flags field of the KEY RR rdata
+ * Currently defined response codes.
  */
-#define	KEYFLAG_TYPEMASK	0xC000	/* Mask for "type" bits */
-#define	KEYFLAG_TYPE_AUTH_CONF	0x0000	/* Key usable for both */
-#define	KEYFLAG_TYPE_CONF_ONLY	0x8000	/* Key usable for confidentiality */
-#define	KEYFLAG_TYPE_AUTH_ONLY	0x4000	/* Key usable for authentication */
-#define	KEYFLAG_TYPE_NO_KEY	0xC000	/* No key usable for either; no key */
-/* The type bits can also be interpreted independently, as single bits: */
-#define	KEYFLAG_NO_AUTH		0x8000	/* Key not usable for authentication */
-#define	KEYFLAG_NO_CONF		0x4000	/* Key not usable for confidentiality */
-
-#define	KEYFLAG_EXPERIMENTAL	0x2000	/* Security is *mandatory* if bit=0 */
-#define	KEYFLAG_RESERVED3	0x1000  /* reserved - must be zero */
-#define	KEYFLAG_RESERVED4	0x0800  /* reserved - must be zero */
-#define	KEYFLAG_USERACCOUNT	0x0400	/* key is assoc. with a user acct */
-#define	KEYFLAG_ENTITY		0x0200	/* key is assoc. with entity eg host */
-#define	KEYFLAG_ZONEKEY		0x0100	/* key is zone key for the zone named */
-#define	KEYFLAG_IPSEC		0x0080  /* key is for IPSEC use (host or user)*/
-#define	KEYFLAG_EMAIL		0x0040  /* key is for email (MIME security) */
-#define	KEYFLAG_RESERVED10	0x0020  /* reserved - must be zero */
-#define	KEYFLAG_RESERVED11	0x0010  /* reserved - must be zero */
-#define	KEYFLAG_SIGNATORYMASK	0x000F	/* key can sign DNS RR's of same name */
-
-#define  KEYFLAG_RESERVED_BITMASK ( KEYFLAG_RESERVED3 | \
-				    KEYFLAG_RESERVED4 | \
-				    KEYFLAG_RESERVED10| KEYFLAG_RESERVED11) 
-
-/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
-#define	ALGORITHM_MD5RSA	1	/* MD5 with RSA */
-#define	ALGORITHM_EXPIRE_ONLY	253	/* No alg, no security */
-#define	ALGORITHM_PRIVATE_OID	254	/* Key begins with OID indicating alg */
+typedef	enum __ns_rcode {
+	ns_r_noerror = 0,	/* No error occurred. */
+	ns_r_formerr = 1,	/* Format error. */
+	ns_r_servfail = 2,	/* Server failure. */
+	ns_r_nxdomain = 3,	/* Name error. */
+	ns_r_notimpl = 4,	/* Unimplemented. */
+	ns_r_refused = 5,	/* Operation refused. */
+	/* these are for BIND_UPDATE */
+	ns_r_yxdomain = 6,	/* Name exists */
+	ns_r_yxrrset = 7,	/* RRset exists */
+	ns_r_nxrrset = 8,	/* RRset does not exist */
+	ns_r_notauth = 9,	/* Not authoritative for zone */
+	ns_r_notzone = 10,	/* Zone of record different from zone section */
+	ns_r_max = 11
+} ns_rcode;
 
-/* Signatures */
-					/* Size of a mod or exp in bits */
-#define	MIN_MD5RSA_KEY_PART_BITS	 512
-#define	MAX_MD5RSA_KEY_PART_BITS	2552
-					/* Total of binary mod and exp, bytes */
-#define	MAX_MD5RSA_KEY_BYTES		((MAX_MD5RSA_KEY_PART_BITS+7/8)*2+3)
-					/* Max length of text sig block */
-#define	MAX_KEY_BASE64			(((MAX_MD5RSA_KEY_BYTES+2)/3)*4)
+/* BIND_UPDATE */
+typedef enum __ns_update_operation {
+	ns_uop_delete = 0,
+	ns_uop_add = 1,
+	ns_uop_max = 2
+} ns_update_operation;
 
 /*
- * Status return codes for T_UNSPEC conversion routines
+ * This RR-like structure is particular to UPDATE.
  */
-#define CONV_SUCCESS	0
-#define CONV_OVERFLOW	(-1)
-#define CONV_BADFMT	(-2)
-#define CONV_BADCKSUM	(-3)
-#define CONV_BADBUFLEN	(-4)
-
-#ifndef BYTE_ORDER
-#if (BSD >= 199103)
-# include <machine/endian.h>
-#else
-#ifdef linux
-# include <endian.h>
-#else
-#define LITTLE_ENDIAN	1234	/* least-significant byte first (vax, pc) */
-#define BIG_ENDIAN	4321	/* most-significant byte first (IBM, net) */
-#define PDP_ENDIAN	3412	/* LSB first in word, MSW first in long (pdp)*/
-
-#if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
-    defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
-    defined(__alpha__) || defined(__alpha)
-#define BYTE_ORDER	LITTLE_ENDIAN
-#endif
-
-#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
-    defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
-    defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
-    defined(apollo) || defined(__convex__) || defined(_CRAY) || \
-    defined(__hppa) || defined(__hp9000) || \
-    defined(__hp9000s300) || defined(__hp9000s700) || \
-    defined (BIT_ZERO_ON_LEFT) || defined(m68k)
-#define BYTE_ORDER	BIG_ENDIAN
-#endif
-#endif /* linux */
-#endif /* BSD */
-#endif /* BYTE_ORDER */
-
-#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
+struct ns_updrec {
+	struct ns_updrec *r_prev;	/* prev record */
+	struct ns_updrec *r_next;	/* next record */
+	u_int8_t	r_section;	/* ZONE/PREREQUISITE/UPDATE */
+	char *		r_dname;	/* owner of the RR */
+	u_int16_t	r_class;	/* class number */
+	u_int16_t	r_type;		/* type number */
+	u_int32_t	r_ttl;		/* time to live */
+	u_char *	r_data;		/* rdata fields as text string */
+	u_int16_t	r_size;		/* size of r_data field */
+	int		r_opcode;	/* type of operation */
+	/* following fields for private use by the resolver/server routines */
+	struct ns_updrec *r_grpnext;	/* next record when grouped */
+	struct databuf *r_dp;		/* databuf to process */
+	struct databuf *r_deldp;	/* databuf's deleted/overwritten */
+	u_int16_t	r_zone;		/* zone number on server */
+};
+typedef struct ns_updrec ns_updrec;
 
 /*
- * 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.
+ * Currently defined type values for resources and queries.
  */
+typedef enum __ns_type {
+	ns_t_a = 1,		/* Host address. */
+	ns_t_ns = 2,		/* Authoritative server. */
+	ns_t_md = 3,		/* Mail destination. */
+	ns_t_mf = 4,		/* Mail forwarder. */
+	ns_t_cname = 5,		/* Canonical name. */
+	ns_t_soa = 6,		/* Start of authority zone. */
+	ns_t_mb = 7,		/* Mailbox domain name. */
+	ns_t_mg = 8,		/* Mail group member. */
+	ns_t_mr = 9,		/* Mail rename name. */
+	ns_t_null = 10,		/* Null resource record. */
+	ns_t_wks = 11,		/* Well known service. */
+	ns_t_ptr = 12,		/* Domain name pointer. */
+	ns_t_hinfo = 13,	/* Host information. */
+	ns_t_minfo = 14,	/* Mailbox information. */
+	ns_t_mx = 15,		/* Mail routing information. */
+	ns_t_txt = 16,		/* Text strings. */
+	ns_t_rp = 17,		/* Responsible person. */
+	ns_t_afsdb = 18,	/* AFS cell database. */
+	ns_t_x25 = 19,		/* X_25 calling address. */
+	ns_t_isdn = 20,		/* ISDN calling address. */
+	ns_t_rt = 21,		/* Router. */
+	ns_t_nsap = 22,		/* NSAP address. */
+	ns_t_nsap_ptr = 23,	/* Reverse NSAP lookup (deprecated). */
+	ns_t_sig = 24,		/* Security signature. */
+	ns_t_key = 25,		/* Security key. */
+	ns_t_px = 26,		/* X.400 mail mapping. */
+	ns_t_gpos = 27,		/* Geographical position (withdrawn). */
+	ns_t_aaaa = 28,		/* Ip6 Address. */
+	ns_t_loc = 29,		/* Location Information. */
+	ns_t_nxt = 30,		/* Next domain (security). */
+	ns_t_eid = 31,		/* Endpoint identifier. */
+	ns_t_nimloc = 32,	/* Nimrod Locator. */
+	ns_t_srv = 33,		/* Server Selection. */
+	ns_t_atma = 34,		/* ATM Address */
+	ns_t_naptr = 35,	/* Naming Authority PoinTeR */
+	/* Query type values which do not appear in resource records. */
+	ns_t_ixfr = 251,	/* Incremental zone transfer. */
+	ns_t_axfr = 252,	/* Transfer zone of authority. */
+	ns_t_mailb = 253,	/* Transfer mailbox records. */
+	ns_t_maila = 254,	/* Transfer mail agent records. */
+	ns_t_any = 255,		/* Wildcard match. */
+	ns_t_max = 65536
+} ns_type;
 
-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;
+/*
+ * Values for class field
+ */
+typedef enum __ns_class {
+	ns_c_in = 1,		/* Internet. */
+				/* Class 2 unallocated/unsupported. */
+	ns_c_chaos = 3,		/* MIT Chaos-net. */
+	ns_c_hs = 4,		/* MIT Hesiod. */
+	/* Query class values which do not appear in resource records */
+	ns_c_none = 254,	/* for prereq. sections in update requests */
+	ns_c_any = 255,		/* Wildcard match. */
+	ns_c_max = 65536
+} ns_class;
 
 /*
- * Defines for handling compressed domain names
+ * Flags field of the KEY RR rdata
  */
-#define INDIR_MASK	0xc0
+#define	NS_KEY_TYPEMASK		0xC000	/* Mask for "type" bits */
+#define	NS_KEY_TYPE_AUTH_CONF	0x0000	/* Key usable for both */
+#define	NS_KEY_TYPE_CONF_ONLY	0x8000	/* Key usable for confidentiality */
+#define	NS_KEY_TYPE_AUTH_ONLY	0x4000	/* Key usable for authentication */
+#define	NS_KEY_TYPE_NO_KEY	0xC000	/* No key usable for either; no key */
+/* The type bits can also be interpreted independently, as single bits: */
+#define	NS_KEY_NO_AUTH		0x8000	/* Key unusable for authentication */
+#define	NS_KEY_NO_CONF		0x4000	/* Key unusable for confidentiality */
+#define	NS_KEY_EXPERIMENTAL	0x2000	/* Security is *mandatory* if bit=0 */
+#define	NS_KEY_RESERVED3	0x1000  /* reserved - must be zero */
+#define	NS_KEY_RESERVED4	0x0800  /* reserved - must be zero */
+#define	NS_KEY_USERACCOUNT	0x0400	/* key is assoc. with a user acct */
+#define	NS_KEY_ENTITY		0x0200	/* key is assoc. with entity eg host */
+#define	NS_KEY_ZONEKEY		0x0100	/* key is zone key */
+#define	NS_KEY_IPSEC		0x0080  /* key is for IPSEC (host or user)*/
+#define	NS_KEY_EMAIL		0x0040  /* key is for email (MIME security) */
+#define	NS_KEY_RESERVED10	0x0020  /* reserved - must be zero */
+#define	NS_KEY_RESERVED11	0x0010  /* reserved - must be zero */
+#define	NS_KEY_SIGNATORYMASK	0x000F	/* key can sign RR's of same name */
+
+#define	NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED3 | \
+				  NS_KEY_RESERVED4 | \
+				  NS_KEY_RESERVED10 | \
+				  NS_KEY_RESERVED11 )
+
+/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
+#define	NS_ALG_MD5RSA		1	/* MD5 with RSA */
+#define	NS_ALG_EXPIRE_ONLY	253	/* No alg, no security */
+#define	NS_ALG_PRIVATE_OID	254	/* Key begins with OID giving alg */
+
+/* Signatures */
+#define	NS_MD5RSA_MIN_BITS	 512	/* Size of a mod or exp in bits */
+#define	NS_MD5RSA_MAX_BITS	2552
+	/* Total of binary mod and exp */
+#define	NS_MD5RSA_MAX_BYTES	((NS_MD5RSA_MAX_BITS+7/8)*2+3)
+	/* Max length of text sig block */
+#define	NS_MD5RSA_MAX_BASE64	(((NS_MD5RSA_MAX_BYTES+2)/3)*4)
+
+/* Offsets into SIG record rdata to find various values */
+#define	NS_SIG_TYPE	0	/* Type flags */
+#define	NS_SIG_ALG	2	/* Algorithm */
+#define	NS_SIG_LABELS	3	/* How many labels in name */
+#define	NS_SIG_OTTL	4	/* Original TTL */
+#define	NS_SIG_EXPIR	8	/* Expiration time */
+#define	NS_SIG_SIGNED	12	/* Signature time */
+#define	NS_SIG_FOOT	16	/* Key footprint */
+#define	NS_SIG_SIGNER	18	/* Domain name of who signed it */
+
+/* How RR types are represented as bit-flags in NXT records */
+#define	NS_NXT_BITS 8
+#define	NS_NXT_BIT_SET(  n,p) (p[(n)/NS_NXT_BITS] |=  (0x80>>((n)%NS_NXT_BITS)))
+#define	NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS)))
+#define	NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] &   (0x80>>((n)%NS_NXT_BITS)))
 
-extern	u_int16_t	_getshort __P((const u_char *));
-extern	u_int32_t	_getlong __P((const u_char *));
 
 /*
  * Inline versions of get/put short/long.  Pointer is advanced.
- *
- * These macros demonstrate the property of C whereby it can be
- * portable or it can be elegant but rarely both.
  */
-#define GETSHORT(s, cp) { \
+#define NS_GET16(s, cp) { \
 	register u_char *t_cp = (u_char *)(cp); \
 	(s) = ((u_int16_t)t_cp[0] << 8) \
 	    | ((u_int16_t)t_cp[1]) \
 	    ; \
-	(cp) += INT16SZ; \
+	(cp) += NS_INT16SZ; \
 }
 
-#define GETLONG(l, cp) { \
+#define NS_GET32(l, cp) { \
 	register u_char *t_cp = (u_char *)(cp); \
 	(l) = ((u_int32_t)t_cp[0] << 24) \
 	    | ((u_int32_t)t_cp[1] << 16) \
 	    | ((u_int32_t)t_cp[2] << 8) \
 	    | ((u_int32_t)t_cp[3]) \
 	    ; \
-	(cp) += INT32SZ; \
+	(cp) += NS_INT32SZ; \
 }
 
-#define PUTSHORT(s, cp) { \
+#define NS_PUT16(s, cp) { \
 	register u_int16_t t_s = (u_int16_t)(s); \
 	register u_char *t_cp = (u_char *)(cp); \
 	*t_cp++ = t_s >> 8; \
 	*t_cp   = t_s; \
-	(cp) += INT16SZ; \
+	(cp) += NS_INT16SZ; \
 }
 
-#define PUTLONG(l, cp) { \
+#define NS_PUT32(l, cp) { \
 	register u_int32_t t_l = (u_int32_t)(l); \
 	register u_char *t_cp = (u_char *)(cp); \
 	*t_cp++ = t_l >> 24; \
 	*t_cp++ = t_l >> 16; \
 	*t_cp++ = t_l >> 8; \
 	*t_cp   = t_l; \
-	(cp) += INT32SZ; \
+	(cp) += NS_INT32SZ; \
 }
 
-#endif /* !_NAMESER_H_ */
+/*
+ * ANSI C identifier hiding.
+ */
+#define ns_get16		__ns_get16
+#define ns_get32		__ns_get32
+#define ns_put16		__ns_put16
+#define ns_put32		__ns_put32
+#define ns_initparse		__ns_initparse
+#define ns_parserr		__ns_parserr
+#define	ns_sprintrr		__ns_sprintrr
+#define	ns_sprintrrf		__ns_sprintrrf
+#define	ns_format_ttl		__ns_format_ttl
+#define	ns_parse_ttl		__ns_parse_ttl
+#define	ns_name_ntop		__ns_name_ntop
+#define	ns_name_pton		__ns_name_pton
+#define	ns_name_unpack		__ns_name_unpack
+#define	ns_name_pack		__ns_name_pack
+#define	ns_name_compress	__ns_name_compress
+#define	ns_name_uncompress	__ns_name_uncompress
+
+__BEGIN_DECLS
+u_int		ns_get16 __P((const u_char *));
+u_long		ns_get32 __P((const u_char *));
+void		ns_put16 __P((u_int, u_char *));
+void		ns_put32 __P((u_long, u_char *));
+int		ns_initparse __P((const u_char *, int, ns_msg *));
+int		ns_parserr __P((ns_msg *, ns_sect, int, ns_rr *));
+int		ns_sprintrr __P((const ns_msg *, const ns_rr *,
+				 const char *, const char *, char *, size_t));
+int		ns_sprintrrf __P((const u_char *, size_t, const char *,
+				  ns_class, ns_type, u_long, const u_char *,
+				  size_t, const char *, const char *,
+				  char *, size_t));
+int		ns_format_ttl __P((u_long, char *, size_t));
+int		ns_parse_ttl __P((const char *, u_long *));
+int		ns_name_ntop __P((const u_char *, char *, size_t));
+int		ns_name_pton __P((const char *, u_char *, size_t));
+int		ns_name_unpack __P((const u_char *, const u_char *,
+				    const u_char *, u_char *, size_t));
+int		ns_name_pack __P((const u_char *, u_char *, int,
+				  const u_char **, const u_char **));
+int		ns_name_uncompress __P((const u_char *, const u_char *,
+					const u_char *, char *, size_t));
+int		ns_name_compress __P((const char *, u_char *, size_t,
+				      const u_char **, const u_char **));
+int		ns_name_skip __P((const u_char **, const u_char *));
+__END_DECLS
+
+#ifdef BIND_4_COMPAT
+#include <arpa/nameser_compat.h>
+#endif
+
+#endif /* !_ARPA_NAMESER_H_ */
diff --git a/contrib/bind/include/arpa/nameser_compat.h b/contrib/bind/include/arpa/nameser_compat.h
new file mode 100644
index 0000000..82b4c4d
--- /dev/null
+++ b/contrib/bind/include/arpa/nameser_compat.h
@@ -0,0 +1,224 @@
+/* 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
+ *	$Id: nameser_compat.h,v 8.9 1998/03/20 23:25:10 halley Exp $
+ */
+
+#ifndef _ARPA_NAMESER_COMPAT_
+#define	_ARPA_NAMESER_COMPAT_
+
+#define	__BIND		19950621	/* (DEAD) interface version stamp. */
+
+#ifndef BYTE_ORDER
+#if (BSD >= 199103)
+# include <machine/endian.h>
+#else
+#ifdef linux
+# include <endian.h>
+#else
+#define	LITTLE_ENDIAN	1234	/* least-significant byte first (vax, pc) */
+#define	BIG_ENDIAN	4321	/* most-significant byte first (IBM, net) */
+#define	PDP_ENDIAN	3412	/* LSB first in word, MSW first in long (pdp)*/
+
+#if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
+    defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
+    defined(__alpha__) || defined(__alpha) || \
+    (defined(__Lynx__) && defined(__x86__))
+#define BYTE_ORDER	LITTLE_ENDIAN
+#endif
+
+#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
+    defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
+    defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
+    defined(apollo) || defined(__convex__) || defined(_CRAY) || \
+    defined(__hppa) || defined(__hp9000) || \
+    defined(__hp9000s300) || defined(__hp9000s700) || \
+    defined (BIT_ZERO_ON_LEFT) || defined(m68k) || \
+    (defined(__Lynx__) && \
+     (defined(__68k__) || defined(__sparc__) || defined(__powerpc__)))
+#define BYTE_ORDER	BIG_ENDIAN
+#endif
+#endif /* linux */
+#endif /* BSD */
+#endif /* BYTE_ORDER */
+
+#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_ */
diff --git a/contrib/bind/include/fd_setsize.h b/contrib/bind/include/fd_setsize.h
new file mode 100644
index 0000000..235b1ad
--- /dev/null
+++ b/contrib/bind/include/fd_setsize.h
@@ -0,0 +1,9 @@
+#ifndef _FD_SETSIZE_H
+#define _FD_SETSIZE_H
+
+/*
+ * If you need a bigger FD_SETSIZE, this is NOT the place to set it.
+ * This file is a fallback for BIND ports which don't specify their own.
+ */
+
+#endif /* _FD_SETSIZE_H */
diff --git a/contrib/bind/include/hesiod.h b/contrib/bind/include/hesiod.h
new file mode 100644
index 0000000..b0a3e45
--- /dev/null
+++ b/contrib/bind/include/hesiod.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ * This file is primarily maintained by <tytso@mit.edu> and <ghudson@mit.edu>.
+ */
+
+/*
+ * $Id: hesiod.h,v 1.5 1996/12/04 09:39:00 vixie Exp $
+ */
+
+#ifndef _HESIOD_H_INCLUDED
+#define _HESIOD_H_INCLUDED
+
+int		hesiod_init __P((void **context));
+void		hesiod_end __P((void *context));
+char *		hesiod_to_bind __P((void *context, const char *name,
+				    const char *type));
+char **		hesiod_resolve __P((void *context, const char *name,
+				    const char *type));
+void		hesiod_free_list __P((void *context, char **list));
+
+#endif /*_HESIOD_H_INCLUDED*/
diff --git a/contrib/bind/include/irs.h b/contrib/bind/include/irs.h
new file mode 100644
index 0000000..0606e01
--- /dev/null
+++ b/contrib/bind/include/irs.h
@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ * $Id: irs.h,v 8.1 1997/12/04 04:55:19 halley Exp $
+ */
+
+#ifndef _IRS_H_INCLUDED
+#define _IRS_H_INCLUDED
+
+#include <sys/types.h>
+
+#include <netdb.h>
+#include <grp.h>
+#include <pwd.h>
+
+/*
+ * This is the group map class.
+ */
+struct irs_gr {
+	void *		private;
+	void		(*close) __P((struct irs_gr *));
+	struct group *	(*next) __P((struct irs_gr *));
+	struct group *	(*byname) __P((struct irs_gr *, const char *));
+	struct group *	(*bygid) __P((struct irs_gr *, gid_t));
+	int		(*list) __P((struct irs_gr *, const char *,
+				     gid_t, gid_t *, int *));
+	void		(*rewind) __P((struct irs_gr *));
+	void		(*minimize) __P((struct irs_gr *));
+};
+
+/*
+ * This is the password map class.
+ */
+struct irs_pw {
+	void *		private;
+	void		(*close) __P((struct irs_pw *));
+	struct passwd *	(*next) __P((struct irs_pw *));
+	struct passwd *	(*byname) __P((struct irs_pw *, const char *));
+	struct passwd *	(*byuid) __P((struct irs_pw *, uid_t));
+	void		(*rewind) __P((struct irs_pw *));
+	void		(*minimize) __P((struct irs_pw *));
+};
+
+/*
+ * This is the service map class.
+ */
+struct irs_sv {
+	void *		private;
+	void		(*close) __P((struct irs_sv *));
+	struct servent *(*byname) __P((struct irs_sv *,
+				       const char *, const char *));
+	struct servent *(*byport) __P((struct irs_sv *, int, const char *));
+	struct servent *(*next) __P((struct irs_sv *));
+	void		(*rewind) __P((struct irs_sv *));
+	void		(*minimize) __P((struct irs_sv *));
+};
+
+/*
+ * This is the protocols map class.
+ */
+struct irs_pr {
+	void *		private;
+	void		(*close) __P((struct irs_pr *));
+	struct protoent	*(*byname) __P((struct irs_pr *, const char *));
+	struct protoent	*(*bynumber) __P((struct irs_pr *, int));
+	struct protoent	*(*next) __P((struct irs_pr *));
+	void		(*rewind) __P((struct irs_pr *));
+	void		(*minimize) __P((struct irs_pr *));
+};
+
+/*
+ * This is the hosts map class.
+ */
+struct irs_ho {
+	void *		private;
+	void		(*close) __P((struct irs_ho *));
+	struct hostent *(*byname) __P((struct irs_ho *, const char *));
+	struct hostent *(*byname2) __P((struct irs_ho *, const char *, int));
+	struct hostent *(*byaddr) __P((struct irs_ho *,
+				       const void *, int, int));
+	struct hostent *(*next) __P((struct irs_ho *));
+	void		(*rewind) __P((struct irs_ho *));
+	void		(*minimize) __P((struct irs_ho *));
+};
+
+/*
+ * This is the networks map class.
+ */
+struct irs_nw {
+	void *		private;
+	void		(*close) __P((struct irs_nw *));
+	struct nwent *	(*byname) __P((struct irs_nw *, const char *, int));
+	struct nwent *	(*byaddr) __P((struct irs_nw *, void *, int, int));
+	struct nwent *	(*next) __P((struct irs_nw *));
+	void		(*rewind) __P((struct irs_nw *));
+	void		(*minimize) __P((struct irs_nw *));
+};
+
+/*
+ * This is the netgroups map class.
+ */
+struct irs_ng {
+	void *		private;
+	void		(*close) __P((struct irs_ng *));
+	int		(*next) __P((struct irs_ng *, char **, char **,
+				     char **));
+	int		(*test) __P((struct irs_ng *, const char *,
+				     const char *, const char *,
+				     const char *));
+	void		(*rewind) __P((struct irs_ng *, const char *));
+	void		(*minimize) __P((struct irs_ng *));
+};
+
+/*
+ * This is the generic map class, which copies the front of all others.
+ */
+struct irs_map {
+	void *		private;
+	void		(*close) __P((void *));
+};
+
+/*
+ * This is the accessor class.  It contains pointers to all of the
+ * initializers for the map classes for a particular accessor.
+ */
+struct irs_acc {
+	void *		private;
+	void		(*close) __P((struct irs_acc *));
+	struct irs_gr *	(*gr_map) __P((struct irs_acc *));
+	struct irs_pw *	(*pw_map) __P((struct irs_acc *));
+	struct irs_sv *	(*sv_map) __P((struct irs_acc *));
+	struct irs_pr *	(*pr_map) __P((struct irs_acc *));
+	struct irs_ho *	(*ho_map) __P((struct irs_acc *));
+	struct irs_nw *	(*nw_map) __P((struct irs_acc *));
+	struct irs_ng *	(*ng_map) __P((struct irs_acc *));
+};
+
+/*
+ * This is because the official definition of "struct netent" has no
+ * concept of CIDR even though it allows variant address families (on
+ * output but not input).  The compatibility stubs convert the structs
+ * below into "struct netent"'s.
+ */
+struct nwent {
+	char		*n_name;	/* official name of net */
+	char		**n_aliases;	/* alias list */
+	int		n_addrtype;	/* net address type */
+	void		*n_addr;	/* network address */
+	int		n_length;	/* address length, in bits */
+};
+
+/*
+ * Hide external function names from POSIX.
+ */
+#define	irs_gen_acc	__irs_gen_acc
+#define	irs_lcl_acc	__irs_lcl_acc
+#define	irs_dns_acc	__irs_dns_acc
+#define	irs_nis_acc	__irs_nis_acc
+
+/*
+ * Externs.
+ */
+extern struct irs_acc *	irs_gen_acc __P((const char *options));
+extern struct irs_acc *	irs_lcl_acc __P((const char *options));
+extern struct irs_acc *	irs_dns_acc __P((const char *options));
+extern struct irs_acc *	irs_nis_acc __P((const char *options));
+
+#endif /*_IRS_H_INCLUDED*/
diff --git a/contrib/bind/include/isc/Makefile b/contrib/bind/include/isc/Makefile
new file mode 100644
index 0000000..4e8fc8c
--- /dev/null
+++ b/contrib/bind/include/isc/Makefile
@@ -0,0 +1,40 @@
+# Copyright (c) 1996 by Internet Software Consortium
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+# SOFTWARE.
+
+HFILES = eventlib.h misc.h tree.h logging.h heap.h memcluster.h \
+	assertions.h list.h
+
+DESTDIR =
+DESTINC = /usr/local/bind/include
+
+all depend:
+
+distclean: clean
+
+clean: FRC
+	rm -f *~ *.BAK *.CKP *.orig
+
+install: ${DESTDIR}${DESTINC}/isc
+	set -x; for x in ${HFILES}; do \
+		${INSTALL} -c -m 444 $$x ${DESTDIR}${DESTINC}/isc/$$x; \
+	done
+
+${DESTDIR}${DESTINC}/isc:
+	mkdir -p ${DESTDIR}${DESTINC}/isc
+
+links: FRC
+	@set -e; ln -s SRC/*.h .
+
+FRC:
diff --git a/contrib/bind/include/isc/assertions.h b/contrib/bind/include/isc/assertions.h
new file mode 100644
index 0000000..95a9556
--- /dev/null
+++ b/contrib/bind/include/isc/assertions.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 1997 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ * $Id: assertions.h,v 8.1 1997/12/03 22:34:50 halley Exp $
+ */
+
+#ifndef ASSERTIONS_H
+#define ASSERTIONS_H		1
+
+typedef enum {
+	assert_require, assert_ensure, assert_insist, assert_invariant
+} assertion_type;
+
+typedef void (*assertion_failure_callback)(char *, int, assertion_type, char *,
+					   int);
+
+extern assertion_failure_callback __assertion_failed;
+void set_assertion_failure_callback(assertion_failure_callback f);
+char *assertion_type_to_text(assertion_type type);
+
+#ifdef CHECK_ALL
+#define CHECK_REQUIRE		1
+#define CHECK_ENSURE		1
+#define CHECK_INSIST		1
+#define CHECK_INVARIANT		1
+#endif
+
+#ifdef CHECK_NONE
+#define CHECK_REQUIRE		0
+#define CHECK_ENSURE		0
+#define CHECK_INSIST		0
+#define CHECK_INVARIANT		0
+#endif
+
+#ifndef CHECK_REQUIRE
+#define CHECK_REQUIRE		1
+#endif
+
+#ifndef CHECK_ENSURE
+#define CHECK_ENSURE		1
+#endif
+
+#ifndef CHECK_INSIST
+#define CHECK_INSIST		1
+#endif
+
+#ifndef CHECK_INVARIANT
+#define CHECK_INVARIANT		1
+#endif
+
+#if CHECK_REQUIRE != 0
+#define REQUIRE(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_require, \
+				       #cond, 0), 0)))
+#define REQUIRE_ERR(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_require, \
+				       #cond, 1), 0)))
+#else
+#define REQUIRE(cond)		((void) 0)
+#define REQUIRE_ERR(cond)	((void) 0)
+#endif /* CHECK_REQUIRE */
+
+#if CHECK_ENSURE != 0
+#define ENSURE(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_ensure, \
+				       #cond, 0), 0)))
+#define ENSURE_ERR(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_ensure, \
+				       #cond, 1), 0)))
+#else
+#define ENSURE(cond)		((void) 0)
+#define ENSURE_ERR(cond)	((void) 0)
+#endif /* CHECK_ENSURE */
+
+#if CHECK_INSIST != 0
+#define INSIST(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_insist, \
+				       #cond, 0), 0)))
+#define INSIST_ERR(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_insist, \
+				       #cond, 1), 0)))
+#else
+#define INSIST(cond)		((void) 0)
+#define INSIST_ERR(cond)	((void) 0)
+#endif /* CHECK_INSIST */
+
+#if CHECK_INVARIANT != 0
+#define INVARIANT(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_invariant, \
+				       #cond, 0), 0)))
+#define INVARIANT_ERR(cond) \
+	((void) ((cond) || \
+		 ((__assertion_failed)(__FILE__, __LINE__, assert_invariant, \
+				       #cond, 1), 0)))
+#else
+#define INVARIANT(cond)		((void) 0)
+#define INVARIANT_ERR(cond)	((void) 0)
+#endif /* CHECK_INVARIANT */
+
+#endif /* ASSERTIONS_H */
diff --git a/contrib/bind/include/isc/eventlib.h b/contrib/bind/include/isc/eventlib.h
new file mode 100644
index 0000000..98a0f46
--- /dev/null
+++ b/contrib/bind/include/isc/eventlib.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 1995, 1996, 1997, 1998 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/* eventlib.h - exported interfaces for eventlib
+ * vix 09sep95 [initial]
+ *
+ * $Id: eventlib.h,v 1.19 1998/02/06 01:55:51 halley Exp $
+ */
+
+#ifndef _EVENTLIB_H
+#define _EVENTLIB_H
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/time.h>
+#include <stdio.h>
+
+#ifndef __P
+# define __EVENTLIB_P_DEFINED
+# ifdef __STDC__
+#  define __P(x) x
+# else
+#  define __P(x) ()
+# endif
+#endif
+
+/* In the absence of branded types... */
+typedef struct { void *opaque; } evConnID;
+typedef struct { void *opaque; } evFileID;
+typedef struct { void *opaque; } evStreamID;
+typedef struct { void *opaque; } evTimerID;
+typedef struct { void *opaque; } evWaitID;
+typedef struct { void *opaque; } evContext;
+typedef struct { void *opaque; } evEvent;
+
+typedef void (*evConnFunc)__P((evContext ctx, void *uap, int fd,
+			       const void *la, int lalen,
+			       const void *ra, int ralen));
+typedef void (*evFileFunc)__P((evContext ctx, void *uap, int fd, int evmask));
+typedef	void (*evStreamFunc)__P((evContext ctx, void *uap, int fd, int bytes));
+typedef void (*evTimerFunc)__P((evContext ctx, void *uap,
+				struct timespec due, struct timespec inter));
+typedef	void (*evWaitFunc)__P((evContext ctx, void *uap, const void *tag));
+
+typedef	struct { unsigned char mask[256/8]; } evByteMask;
+#define	EV_BYTEMASK_BYTE(b) ((b) / 8)
+#define	EV_BYTEMASK_MASK(b) (1 << ((b) % 8))
+#define	EV_BYTEMASK_SET(bm, b) \
+	((bm).mask[EV_BYTEMASK_BYTE(b)] |= EV_BYTEMASK_MASK(b))
+#define	EV_BYTEMASK_CLR(bm, b) \
+	((bm).mask[EV_BYTEMASK_BYTE(b)] &= ~EV_BYTEMASK_MASK(b))
+#define	EV_BYTEMASK_TST(bm, b) \
+	((bm).mask[EV_BYTEMASK_BYTE(b)] & EV_BYTEMASK_MASK(b))
+
+#define	EV_POLL		1
+#define	EV_WAIT		2
+#define	EV_NULL		4
+
+#define	EV_READ		1
+#define	EV_WRITE	2
+#define	EV_EXCEPT	4
+
+/* eventlib.c */
+#define evCreate	__evCreate
+#define evSetDebug	__evSetDebug
+#define evDestroy	__evDestroy
+#define evGetNext	__evGetNext
+#define evDispatch	__evDispatch
+#define evDrop		__evDrop
+#define evMainLoop	__evMainLoop
+
+int  evCreate __P((evContext *ctx));
+void evSetDebug __P((evContext ctx, int lev, FILE *out));
+int  evDestroy __P((evContext ctx));
+int  evGetNext __P((evContext ctx, evEvent *ev, int options));
+int  evDispatch __P((evContext ctx, evEvent ev));
+void evDrop __P((evContext ctx, evEvent ev));
+int  evMainLoop __P((evContext ctx));
+
+/* ev_connects.c */
+#define evListen	__evListen
+#define evConnect	__evConnect
+#define evCancelConn	__evCancelConn
+#define evHold		__evHold
+#define evUnhold	__evUnhold
+#define evTryAccept	__evTryAccept
+
+int evListen __P((evContext ctx, int fd, int maxconn,
+		  evConnFunc func, void *uap, evConnID *id));
+int evConnect __P((evContext ctx, int fd, void *ra, int ralen,
+		   evConnFunc func, void *uap, evConnID *id));
+int evCancelConn __P((evContext ctx, evConnID id));
+int evHold __P((evContext, evConnID));
+int evUnhold __P((evContext, evConnID));
+int evTryAccept __P((evContext, evConnID, int *));
+
+/* ev_files.c */
+#define evSelectFD	__evSelectFD
+#define evDeselectFD	__evDeselectFD
+
+int evSelectFD __P((evContext ctx, int fd, int eventmask,
+		    evFileFunc func, void *uap, evFileID *id));
+int evDeselectFD __P((evContext ctx, evFileID id));
+
+/* ev_streams.c */
+#define evConsIovec	__evConsIovec
+#define evWrite		__evWrite
+#define evRead		__evRead
+#define evTimeRW	__evTimeRW
+#define evUntimeRW	__evUntimeRW
+#define	evCancelRW	__evCancelRW
+
+struct iovec evConsIovec __P((void *buf, size_t cnt));
+int evWrite __P((evContext ctx, int fd, const struct iovec *iov, int cnt,
+		 evStreamFunc func, void *uap, evStreamID *id));
+int evRead __P((evContext ctx, int fd, const struct iovec *iov, int cnt,
+		evStreamFunc func, void *uap, evStreamID *id));
+int evTimeRW __P((evContext ctx, evStreamID id, evTimerID timer));
+int evUntimeRW __P((evContext ctx, evStreamID id));
+int evCancelRW __P((evContext ctx, evStreamID id));
+
+/* ev_timers.c */
+#define evConsTime	__evConsTime
+#define evAddTime	__evAddTime
+#define evSubTime	__evSubTime
+#define evCmpTime	__evCmpTime
+#define	evTimeSpec	__evTimeSpec
+#define	evTimeVal	__evTimeVal
+
+#define evNowTime		__evNowTime
+#define evLastEventTime		__evLastEventTime
+#define evSetTimer		__evSetTimer
+#define evClearTimer		__evClearTimer
+#define evResetTimer		__evResetTimer
+#define evSetIdleTimer		__evSetIdleTimer
+#define evClearIdleTimer	__evClearIdleTimer
+#define evResetIdleTimer	__evResetIdleTimer
+#define evTouchIdleTimer	__evTouchIdleTimer
+
+struct timespec evConsTime __P((time_t sec, long nsec));
+struct timespec evAddTime __P((struct timespec add1, struct timespec add2));
+struct timespec evSubTime __P((struct timespec minu, struct timespec subtra));
+struct timespec evNowTime __P((void));
+struct timespec evLastEventTime __P((evContext));
+struct timespec evTimeSpec __P((struct timeval));
+struct timeval evTimeVal __P((struct timespec));
+int evCmpTime __P((struct timespec a, struct timespec b));
+int evSetTimer __P((evContext ctx, evTimerFunc func, void *uap,
+		    struct timespec due, struct timespec inter,
+		    evTimerID *id));
+int evClearTimer __P((evContext ctx, evTimerID id));
+int evResetTimer __P((evContext, evTimerID, evTimerFunc, void *,
+		      struct timespec, struct timespec));
+int evSetIdleTimer __P((evContext, evTimerFunc, void *, struct timespec,
+			evTimerID *));
+int evClearIdleTimer __P((evContext, evTimerID));
+int evResetIdleTimer __P((evContext, evTimerID, evTimerFunc, void *,
+			  struct timespec));
+int evTouchIdleTimer __P((evContext, evTimerID));
+
+/* ev_waits.c */
+#define evWaitFor	__evWaitFor
+#define evDo		__evDo
+#define evUnwait	__evUnwait
+#define evDefer		__evDefer
+
+int evWaitFor __P((evContext ctx, const void *tag, evWaitFunc func, void *uap,
+		   evWaitID *id));
+int evDo __P((evContext ctx, const void *tag));
+int evUnwait __P((evContext ctx, evWaitID id));
+int evDefer __P((evContext, evWaitFunc, void *));
+
+#ifdef __EVENTLIB_P_DEFINED
+# undef __P
+#endif
+
+#endif /*_EVENTLIB_H*/
diff --git a/contrib/bind/include/isc/heap.h b/contrib/bind/include/isc/heap.h
new file mode 100644
index 0000000..5df73e8
--- /dev/null
+++ b/contrib/bind/include/isc/heap.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 1997 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+typedef int (*heap_higher_priority_func)(void *, void *);
+typedef void (*heap_index_func)(void *, int);
+typedef void (*heap_for_each_func)(void *, void *);
+
+typedef struct heap_context {
+	int array_size;
+	int array_size_increment;
+	int heap_size;
+	void **heap;
+	heap_higher_priority_func higher_priority;
+	heap_index_func index;
+} *heap_context;
+
+#define heap_new	__heap_new
+#define heap_free	__heap_free
+#define heap_insert	__heap_insert
+#define heap_delete	__heap_delete
+#define heap_increased	__heap_increased
+#define heap_decreased	__heap_decreased
+#define heap_element	__heap_element
+#define heap_for_each	__heap_for_each
+
+heap_context	heap_new(heap_higher_priority_func, heap_index_func, int);
+int		heap_free(heap_context);
+int		heap_insert(heap_context, void *);
+int		heap_delete(heap_context, int);
+int		heap_increased(heap_context, int);
+int		heap_decreased(heap_context, int);
+void *		heap_element(heap_context, int);
+int		heap_for_each(heap_context, heap_for_each_func, void *);
diff --git a/contrib/bind/include/isc/list.h b/contrib/bind/include/isc/list.h
new file mode 100644
index 0000000..b78ba4f
--- /dev/null
+++ b/contrib/bind/include/isc/list.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 1997 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef LIST_H
+#define LIST_H 1
+
+#define LIST(type) struct { type *head, *tail; }
+#define INIT_LIST(list) \
+	do { (list).head = NULL; (list).tail = NULL; } while (0)
+
+#define LINK(type) struct { type *prev, *next; }
+#define INIT_LINK(elt, link) \
+	do { \
+		(elt)->link.prev = (void *)(-1); \
+		(elt)->link.next = (void *)(-1); \
+	} while (0)
+#define LINKED(elt, link) ((elt)->link.prev != (void *)(-1))
+
+#define HEAD(list) ((list).head)
+#define TAIL(list) ((list).tail)
+#define EMPTY(list) ((list).head == NULL)
+
+#define PREPEND(list, elt, link) \
+	do { \
+		if ((list).head != NULL) \
+			(list).head->link.prev = (elt); \
+		else \
+			(list).tail = (elt); \
+		(elt)->link.prev = NULL; \
+		(elt)->link.next = (list).head; \
+		(list).head = (elt); \
+	} while (0)
+
+#define APPEND(list, elt, link) \
+	do { \
+		if ((list).tail != NULL) \
+			(list).tail->link.next = (elt); \
+		else \
+			(list).head = (elt); \
+		(elt)->link.prev = (list).tail; \
+		(elt)->link.next = NULL; \
+		(list).tail = (elt); \
+	} while (0)
+
+#define UNLINK(list, elt, link) \
+	do { \
+		if ((elt)->link.next != NULL) \
+			(elt)->link.next->link.prev = (elt)->link.prev; \
+		else \
+			(list).tail = (elt)->link.prev; \
+		if ((elt)->link.prev != NULL) \
+			(elt)->link.prev->link.next = (elt)->link.next; \
+		else \
+			(list).head = (elt)->link.next; \
+	} while (0)
+
+#define PREV(elt, link) ((elt)->link.prev)
+#define NEXT(elt, link) ((elt)->link.next)
+
+#define INSERT_BEFORE(list, before, elt, link) \
+	do { \
+		if ((before)->link.prev == NULL) \
+			PREPEND(list, elt, link); \
+		else { \
+			(elt)->link.prev = (before)->link.prev; \
+			(before)->link.prev = (elt); \
+			(elt)->link.prev->link.next = (elt); \
+			(elt)->link.next = (before); \
+		} \
+	} while (0)
+
+#define INSERT_AFTER(list, after, elt, link) \
+	do { \
+		if ((after)->link.next == NULL) \
+			APPEND(list, elt, link); \
+		else { \
+			(elt)->link.next = (after)->link.next; \
+			(after)->link.next = (elt); \
+			(elt)->link.next->link.prev = (elt); \
+			(elt)->link.prev = (after); \
+		} \
+	} while (0)
+
+#define ENQUEUE(list, elt, link) APPEND(list, elt, link)
+#define DEQUEUE(list, elt, link) UNLINK(list, elt, link)
+
+#endif /* LIST_H */
diff --git a/contrib/bind/include/isc/logging.h b/contrib/bind/include/isc/logging.h
new file mode 100644
index 0000000..5b11906
--- /dev/null
+++ b/contrib/bind/include/isc/logging.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 1996, 1997, 1998 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef LOGGING_H
+#define LOGGING_H
+
+#include <stdio.h>
+#include <stdarg.h>
+
+#define log_critical		(-5)
+#define log_error   		(-4)
+#define log_warning 		(-3)
+#define log_notice  		(-2)
+#define log_info  		(-1)
+#define log_debug(level)	(level)
+
+typedef enum { log_syslog, log_file, log_null } log_channel_type;
+
+#define LOG_MAX_VERSIONS 99
+
+#define LOG_CLOSE_STREAM		0x0001
+#define LOG_TIMESTAMP			0x0002
+#define LOG_TRUNCATE			0x0004
+#define LOG_USE_CONTEXT_LEVEL		0x0008
+#define LOG_PRINT_LEVEL			0x0010
+#define LOG_REQUIRE_DEBUG		0x0020
+#define LOG_CHANNEL_BROKEN		0x0040
+#define LOG_PRINT_CATEGORY		0x0080
+#define LOG_CHANNEL_OFF			0x0100
+
+typedef struct log_context *log_context;
+typedef struct log_channel *log_channel;
+
+#define LOG_OPTION_DEBUG		0x01
+#define LOG_OPTION_LEVEL		0x02
+
+#define log_open_stream		__log_open_stream
+#define log_close_stream	__log_close_stream
+#define log_get_stream		__log_get_stream
+#define log_get_filename	__log_get_filename
+#define log_check_channel	__log_check_channel
+#define log_check		__log_check
+#define log_vwrite		__log_vwrite
+#define log_write		__log_write
+#define log_new_context		__log_new_context
+#define log_free_context	__log_free_context
+#define log_add_channel		__log_add_channel
+#define log_remove_channel	__log_remove_channel
+#define log_option		__log_option
+#define log_category_is_active	__log_category_is_active
+#define log_new_syslog_channel	__log_new_syslog_channel
+#define log_new_file_channel	__log_new_file_channel
+#define log_new_null_channel	__log_new_null_channel
+#define log_inc_references	__log_inc_references
+#define log_dec_references	__log_dec_references
+#define log_get_channel_type	__log_get_channel_type
+#define log_free_channel	__log_free_channel
+
+FILE *			log_open_stream(log_channel);
+int			log_close_stream(log_channel);
+FILE *			log_get_stream(log_channel);
+char *			log_get_filename(log_channel);
+int			log_check_channel(log_context, int, log_channel);
+int			log_check(log_context, int, int);
+void			log_vwrite(log_context, int, int, const char *, 
+				   va_list args);
+void			log_write(log_context, int, int, const char *, ...);
+int			log_new_context(int, char **, log_context *);
+void			log_free_context(log_context);
+int			log_add_channel(log_context, int, log_channel);
+int			log_remove_channel(log_context, int, log_channel);
+int			log_option(log_context, int, int);
+int			log_category_is_active(log_context, int);
+log_channel		log_new_syslog_channel(unsigned int, int, int);
+log_channel		log_new_file_channel(unsigned int, int, char *,
+					     FILE *, unsigned int,
+					     unsigned long);
+log_channel		log_new_null_channel(void);
+int			log_inc_references(log_channel);
+int			log_dec_references(log_channel);
+log_channel_type	log_get_channel_type(log_channel);
+int			log_free_channel(log_channel);
+
+#endif /* !LOGGING_H */
diff --git a/contrib/bind/include/isc/memcluster.h b/contrib/bind/include/isc/memcluster.h
new file mode 100644
index 0000000..e5f0c75
--- /dev/null
+++ b/contrib/bind/include/isc/memcluster.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 1997 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef MEMCLUSTER_H
+#define MEMCLUSTER_H
+
+#include <stdio.h>
+
+#define meminit		__meminit
+#ifdef MEMCLUSTER_DEBUG
+#define memget(s)	__memget_debug(s, __FILE__, __LINE__)
+#define memput(p, s)	__memput_debug(p, s, __FILE__, __LINE__)
+#else
+#define memget		__memget
+#define memput		__memput
+#endif
+#define memstats	__memstats
+
+int	meminit(size_t, size_t);
+void *	__memget(size_t);
+void 	__memput(void *, size_t);
+void *	__memget_debug(size_t, const char *, int);
+void 	__memput_debug(void *, size_t, const char *, int);
+void 	memstats(FILE *);
+
+#endif /* MEMCLUSTER_H */
diff --git a/contrib/bind/include/isc/misc.h b/contrib/bind/include/isc/misc.h
new file mode 100644
index 0000000..09b593f
--- /dev/null
+++ b/contrib/bind/include/isc/misc.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 1995, 1996 by Internet Software Consortium
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/*
+ * $Id: misc.h,v 8.1 1996/11/12 03:19:13 vixie Exp $
+ */
+
+#ifndef _ISC_MISC_H
+#define _ISC_MISC_H
+
+#define	bitncmp		__bitncmp
+
+extern int		bitncmp(const void *l, const void *r, int n);
+
+#endif /*_ISC_MISC_H*/
diff --git a/contrib/bind/include/isc/tree.h b/contrib/bind/include/isc/tree.h
new file mode 100644
index 0000000..24e2a10
--- /dev/null
+++ b/contrib/bind/include/isc/tree.h
@@ -0,0 +1,48 @@
+/* tree.h - declare structures used by tree library
+ *
+ * vix 22jan93 [revisited; uses RCS, ANSI, POSIX; has bug fixes]
+ * vix 27jun86 [broken out of tree.c]
+ *
+ * $Id: tree.h,v 8.2 1996/10/25 18:11:03 vixie Exp $
+ */
+
+
+#ifndef	_TREE_H_INCLUDED
+#define	_TREE_H_INCLUDED
+
+
+#ifndef __P
+# if defined(__STDC__) || defined(__GNUC__)
+#  define __P(x) x
+# else
+#  define __P(x) ()
+# endif
+#endif
+
+/*
+ * tree_t is our package-specific anonymous pointer.
+ */
+#if defined(__STDC__) || defined(__GNUC__)
+typedef	void *tree_t;
+#else
+typedef	char *tree_t;
+#endif
+
+
+typedef	struct tree_s {
+		tree_t		data;
+		struct tree_s	*left, *right;
+		short		bal;
+	}
+	tree;
+
+
+void	tree_init	__P((tree **));
+tree_t	tree_srch	__P((tree **, int (*)(), tree_t));
+tree_t	tree_add	__P((tree **, int (*)(), tree_t, void (*)()));
+int	tree_delete	__P((tree **, int (*)(), tree_t, void (*)()));
+int	tree_trav	__P((tree **, int (*)()));
+void	tree_mung	__P((tree **, void (*)()));
+
+
+#endif	/* _TREE_H_INCLUDED */
diff --git a/contrib/bind/include/netdb.h b/contrib/bind/include/netdb.h
index cd11afa..7527cc9 100644
--- a/contrib/bind/include/netdb.h
+++ b/contrib/bind/include/netdb.h
@@ -55,7 +55,7 @@
 
 /*
  *      @(#)netdb.h	8.1 (Berkeley) 6/2/93
- *	$Id: netdb.h,v 8.8 1997/06/01 20:34:32 vixie Exp $
+ *	$Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
  */
 
 #ifndef _NETDB_H_
@@ -67,7 +67,9 @@
 #endif
 #include <sys/cdefs.h>
 
-#define	_PATH_HEQUIV	"/etc/hosts.equiv"
+#ifndef _PATH_HEQUIV
+# define	_PATH_HEQUIV	"/etc/hosts.equiv"
+#endif
 #define	_PATH_HOSTS	"/etc/hosts"
 #define	_PATH_NETWORKS	"/etc/networks"
 #define	_PATH_PROTOCOLS	"/etc/protocols"
@@ -167,12 +169,4 @@ struct rpcent	*getrpcbyname(), *getrpcbynumber(), *getrpcent();
 #endif /* __GNU_LIBRARY__ */
 #endif /* sun */
 
-/*
- * The Motorola kernel will only support 64 characters for hostname
- * also defined in /usr/ucbinclude/netdb.h
- */
-#ifdef __m88k__
-#define MAXHOSTNAMELEN 64
-#endif
-
 #endif /* !_NETDB_H_ */
diff --git a/contrib/bind/include/resolv.h b/contrib/bind/include/resolv.h
index 9db2202..7f359fe 100644
--- a/contrib/bind/include/resolv.h
+++ b/contrib/bind/include/resolv.h
@@ -1,7 +1,5 @@
 /*
- * ++Copyright++ 1983, 1987, 1989, 1993
- * -
- * Copyright (c) 1983, 1987, 1989, 1993
+ * Copyright (c) 1983, 1987, 1989
  *    The Regents of the University of California.  All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -31,31 +29,28 @@
  * 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.
- * -
- * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- * 
+ */
+
+/*
+ * Portions Copyright (c) 1996 by Internet Software Consortium.
+ *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies, and that
- * the name of Digital Equipment Corporation not be used in advertising or
- * publicity pertaining to distribution of the document or software without
- * specific, written prior permission.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
- * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  * SOFTWARE.
- * -
- * --Copyright--
  */
 
 /*
  *	@(#)resolv.h	8.1 (Berkeley) 6/2/93
- *	$Id: resolv.h,v 8.18 1997/06/01 20:34:32 vixie Exp $
+ *	$Id: resolv.h,v 8.11 1998/01/26 23:09:53 halley Exp $
  */
 
 #ifndef _RESOLV_H_
@@ -81,6 +76,15 @@
 #define	__RES	19960801
 
 /*
+ * This used to be defined in res_query.c, now it's in herror.c.  It was
+ * never extern'd by any *.h file before it was placed here.  herror.c is
+ * part of libresolv.a even though it might make more sense in libnetdb.a
+ * or even libnet.a.
+ */
+
+extern int h_errno;
+
+/*
  * Resolver configuration file.
  * Normally not present, but may contain the address of the
  * inital name server(s) to query and the domain search list.
@@ -121,7 +125,7 @@ struct __res_state {
 		struct in_addr	addr;
 		u_int32_t	mask;
 	} sort_list[MAXRESOLVSORT];
-	char	pad[72];		/* on an i386 this means 512b total */
+	char	pad[72];		/* On an i386 this means 512b total. */
 };
 
 /*
@@ -148,7 +152,7 @@ struct __res_state {
  * Resolver "pfcode" values.  Used by dig.
  */
 #define RES_PRF_STATS	0x00000001
-/*			0x00000002	*/
+#define RES_PRF_UPDATE	0x00000002
 #define RES_PRF_CLASS   0x00000004
 #define RES_PRF_CMD	0x00000008
 #define RES_PRF_QUES	0x00000010
@@ -161,10 +165,9 @@ struct __res_state {
 #define RES_PRF_HEADX	0x00000800
 #define RES_PRF_QUERY	0x00001000
 #define RES_PRF_REPLY	0x00002000
-#define RES_PRF_INIT    0x00004000
+#define RES_PRF_INIT	0x00004000
 /*			0x00008000	*/
 
-/* hooks are still experimental as of 4.9.2 */
 typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
 	res_sendhookact;
 
@@ -192,66 +195,66 @@ extern struct __res_state _res;
 extern const struct res_sym __p_class_syms[];
 extern const struct res_sym __p_type_syms[];
 
-/* Private routines shared between libc/net, named, nslookup and others. */
-#define	res_hnok	__res_hnok
-#define	res_ownok	__res_ownok
-#define	res_mailok	__res_mailok
-#define	res_dnok	__res_dnok
-#define	sym_ston	__sym_ston
-#define	sym_ntos	__sym_ntos
-#define	sym_ntop	__sym_ntop
-#define b64_ntop	__b64_ntop
-#define	b64_pton	__b64_pton
-#define	loc_ntoa	__loc_ntoa
-#define	loc_aton	__loc_aton
-#define	dn_skipname	__dn_skipname
-#define	fp_resstat	__fp_resstat
-#define	fp_query	__fp_query
-#define	fp_nquery	__fp_nquery
-#define	hostalias	__hostalias
-#define	putlong		__putlong
-#define	putshort	__putshort
-#define p_class		__p_class
-#define p_time		__p_time
-#define p_type		__p_type
-#define	p_query		__p_query
-#define	p_cdnname	__p_cdnname
-#define	p_cdname	__p_cdname
-#define	p_fqnname	__p_fqnname
-#define	p_fqname	__p_fqname
-#define	p_rr		__p_rr
-#define	p_option	__p_option
-#define	p_secstodate	__p_secstodate
-#define	dn_count_labels	__dn_count_labels
-#define	dn_comp		__dn_comp
-#define	res_randomid	__res_randomid
-#define	res_isourserver	__res_isourserver
-#define	res_nameinquery	__res_nameinquery
-#define	res_queriesmatch __res_queriesmatch
-#define	res_close	__res_close
-
-#ifdef BIND_RES_POSIX3
-#define	dn_expand	__dn_expand
-#define	res_init	__res_init
-#define	res_query	__res_query
-#define	res_search	__res_search
-#define	res_querydomain	__res_querydomain
-#define	res_mkquery	__res_mkquery
-#define	res_send	__res_send
-#endif
-
+#define res_hnok		__res_hnok
+#define res_ownok		__res_ownok
+#define res_mailok		__res_mailok
+#define res_dnok		__res_dnok
+#define	sym_ston		__sym_ston
+#define	sym_ntos		__sym_ntos
+#define	sym_ntop		__sym_ntop
+#define b64_ntop		__b64_ntop
+#define	b64_pton		__b64_pton
+#define loc_ntoa		__loc_ntoa
+#define loc_aton		__loc_aton
+#define	fp_resstat		__fp_resstat
+#define p_query			__p_query
+#define	dn_skipname		__dn_skipname
+#define	fp_resstat		__fp_resstat
+#define	fp_query		__fp_query
+#define	fp_nquery		__fp_nquery
+#define	hostalias		__hostalias
+#define	putlong			__putlong
+#define	putshort		__putshort
+#define p_class			__p_class
+#define p_time			__p_time
+#define p_type			__p_type
+#define p_query			__p_query
+#define	p_cdnname		__p_cdnname
+#define	p_section		__p_section
+#define	p_cdname		__p_cdname
+#define	p_fqnname		__p_fqnname
+#define	p_fqname		__p_fqname
+#define	p_option		__p_option
+#define	p_secstodate		__p_secstodate
+#define	dn_count_labels		__dn_count_labels
+#define	dn_comp			__dn_comp
+#define	dn_expand		__dn_expand
+#define	res_init		__res_init
+#define	res_randomid		__res_randomid
+#define	res_query		__res_query
+#define	res_search		__res_search
+#define	res_querydomain		__res_querydomain
+#define	res_mkquery		__res_mkquery
+#define	res_send		__res_send
+#define	res_isourserver		__res_isourserver
+#define	res_nameinquery		__res_nameinquery
+#define	res_queriesmatch	__res_queriesmatch
+#define res_close		__res_close
+#define res_mkupdate		__res_mkupdate
+#define res_mkupdrec		__res_mkupdrec
+#define res_freeupdrec		__res_freeupdrec
 __BEGIN_DECLS
 int		res_hnok __P((const char *));
 int		res_ownok __P((const char *));
 int		res_mailok __P((const char *));
 int		res_dnok __P((const char *));
-int		sym_ston __P((const struct res_sym *, char *, int *));
+int		sym_ston __P((const struct res_sym *, const char *, int *));
 const char *	sym_ntos __P((const struct res_sym *, int, int *));
 const char *	sym_ntop __P((const struct res_sym *, int, int *));
 int		b64_ntop __P((u_char const *, size_t, char *, size_t));
 int		b64_pton __P((char const *, u_char *, size_t));
-int		loc_aton __P((const char *, u_char *));
-const char *	loc_ntoa __P((const u_char *, char *));
+int		loc_aton __P((const char *ascii, u_char *binary));
+const char *	loc_ntoa __P((const u_char *binary, char *ascii));
 int		dn_skipname __P((const u_char *, const u_char *));
 void		fp_resstat __P((struct __res_state *, FILE *));
 void		fp_query __P((const u_char *, FILE *));
@@ -268,10 +271,9 @@ const u_char *	p_cdname __P((const u_char *, const u_char *, FILE *));
 const u_char *	p_fqnname __P((const u_char *cp, const u_char *msg,
 			       int, char *, int));
 const u_char *	p_fqname __P((const u_char *, const u_char *, FILE *));
-const u_char *	p_rr __P((const u_char *, const u_char *, FILE *));
 const char *	p_option __P((u_long option));
 char *		p_secstodate __P((u_long));
-int		dn_count_labels __P((char *));
+int		dn_count_labels __P((const char *));
 int		dn_comp __P((const char *, u_char *, int,
 			     u_char **, u_char **));
 int		dn_expand __P((const u_char *, const u_char *, const u_char *,
@@ -282,8 +284,8 @@ int		res_query __P((const char *, int, int, u_char *, int));
 int		res_search __P((const char *, int, int, u_char *, int));
 int		res_querydomain __P((const char *, const char *, int, int,
 				     u_char *, int));
-int		res_mkquery __P((int, const char *, int, int, const u_char *, int,
-				 const u_char *, u_char *, int));
+int		res_mkquery __P((int, const char *, int, int, const u_char *,
+				 int, const u_char *, u_char *, int));
 int		res_send __P((const u_char *, int, u_char *, int));
 int		res_isourserver __P((const struct sockaddr_in *));
 int		res_nameinquery __P((const char *, int, int,
@@ -291,6 +293,11 @@ int		res_nameinquery __P((const char *, int, int,
 int		res_queriesmatch __P((const u_char *, const u_char *,
 				      const u_char *, const u_char *));
 void		res_close __P((void));
+const char *	p_section __P((int section, int opcode));
+int		res_update __P((ns_updrec *));
+int		res_mkupdate __P((ns_updrec *, u_char *, int));
+ns_updrec *	res_mkupdrec __P((int, const char *, u_int, u_int, u_long));
+void		res_freeupdrec(ns_updrec *rrecp);
 __END_DECLS
 
 #endif /* !_RESOLV_H_ */