resolv.h revision 170244
1156960Sume/* 2156960Sume * Copyright (c) 1983, 1987, 1989 3156960Sume * The Regents of the University of California. All rights reserved. 4156960Sume * 51539Srgrimes * Redistribution and use in source and binary forms, with or without 61539Srgrimes * modification, are permitted provided that the following conditions 71539Srgrimes * are met: 81539Srgrimes * 1. Redistributions of source code must retain the above copyright 91539Srgrimes * notice, this list of conditions and the following disclaimer. 101539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111539Srgrimes * notice, this list of conditions and the following disclaimer in the 121539Srgrimes * documentation and/or other materials provided with the distribution. 131539Srgrimes * 3. All advertising materials mentioning features or use of this software 141539Srgrimes * must display the following acknowledgement: 15156960Sume * This product includes software developed by the University of 16156960Sume * California, Berkeley and its contributors. 171539Srgrimes * 4. Neither the name of the University nor the names of its contributors 181539Srgrimes * may be used to endorse or promote products derived from this software 191539Srgrimes * without specific prior written permission. 20156960Sume * 211539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311539Srgrimes * SUCH DAMAGE. 3236888Speter */ 3336888Speter 3436888Speter/* 35156960Sume * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") 36156960Sume * Portions Copyright (c) 1996-1999 by Internet Software Consortium. 371539Srgrimes * 381539Srgrimes * Permission to use, copy, modify, and distribute this software for any 391539Srgrimes * purpose with or without fee is hereby granted, provided that the above 4036888Speter * copyright notice and this permission notice appear in all copies. 418858Srgrimes * 42156960Sume * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 43156960Sume * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 44156960Sume * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 45156960Sume * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 46156960Sume * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 47156960Sume * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 48156960Sume * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 4936888Speter */ 5036888Speter 51170244Sume/*% 523070Spst * @(#)resolv.h 8.1 (Berkeley) 6/2/93 53170244Sume * $Id: resolv.h,v 1.19.18.3 2005/08/25 04:43:51 marka Exp $ 5450473Speter * $FreeBSD: head/include/resolv.h 170244 2007-06-03 17:20:27Z ume $ 551539Srgrimes */ 561539Srgrimes 571539Srgrimes#ifndef _RESOLV_H_ 581539Srgrimes#define _RESOLV_H_ 591539Srgrimes 603070Spst#include <sys/param.h> 611539Srgrimes#include <sys/types.h> 623070Spst#include <sys/cdefs.h> 6355163Sshin#include <sys/socket.h> 643070Spst#include <stdio.h> 65156960Sume#include <arpa/nameser.h> 663070Spst 67170244Sume/*% 6821055Speter * Revision information. This is the release date in YYYYMMDD format. 6921055Speter * It can change every day so the right thing to do with it is use it 7021055Speter * in preprocessor commands such as "#if (__RES > 19931104)". Do not 713070Spst * compare for equality; rather, use it to determine whether your resolver 723070Spst * is new enough to contain a certain feature. 733070Spst */ 743070Spst 75156960Sume#define __RES 20030124 763070Spst 77170244Sume/*% 78156960Sume * This used to be defined in res_query.c, now it's in herror.c. 79156960Sume * [XXX no it's not. It's in irs/irs_data.c] 80156960Sume * It was 81156960Sume * never extern'd by any *.h file before it was placed here. For thread 82156960Sume * aware programs, the last h_errno value set is stored in res->h_errno. 83156960Sume * 84156960Sume * XXX: There doesn't seem to be a good reason for exposing RES_SET_H_ERRNO 85156960Sume * (and __h_errno_set) to the public via <resolv.h>. 86156960Sume * XXX: __h_errno_set is really part of IRS, not part of the resolver. 87156960Sume * If somebody wants to build and use a resolver that doesn't use IRS, 88156960Sume * what do they do? Perhaps something like 89156960Sume * #ifdef WANT_IRS 90156960Sume * # define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x) 91156960Sume * #else 92156960Sume * # define RES_SET_H_ERRNO(r,x) (h_errno = (r)->res_h_errno = (x)) 93156960Sume * #endif 94156960Sume */ 95156960Sume 96156960Sume#define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x) 97170244Sumestruct __res_state; /*%< forward */ 98156960Sume__BEGIN_DECLS 99156960Sumevoid __h_errno_set(struct __res_state *, int); 100156960Sume__END_DECLS 101156960Sume 102170244Sume/*% 1031539Srgrimes * Resolver configuration file. 1041539Srgrimes * Normally not present, but may contain the address of the 105156960Sume * initial name server(s) to query and the domain search list. 1061539Srgrimes */ 1071539Srgrimes 1081539Srgrimes#ifndef _PATH_RESCONF 1093070Spst#define _PATH_RESCONF "/etc/resolv.conf" 1101539Srgrimes#endif 1111539Srgrimes 112156960Sumetypedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } 113156960Sume res_sendhookact; 114156960Sume 115156960Sumetypedef res_sendhookact (*res_send_qhook)(struct sockaddr * const *, 116156960Sume const u_char **, int *, 117156960Sume u_char *, int, int *); 118156960Sume 119156960Sumetypedef res_sendhookact (*res_send_rhook)(const struct sockaddr *, 120156960Sume const u_char *, int, u_char *, 121156960Sume int, int *); 122156960Sume 123156960Sumestruct res_sym { 124170244Sume int number; /*%< Identifying number, like T_MX */ 125170244Sume const char * name; /*%< Its symbolic name, like "MX" */ 126170244Sume const char * humanname; /*%< Its fun name, like "mail exchanger" */ 127156960Sume}; 128156960Sume 129170244Sume/*% 1301539Srgrimes * Global defines and variables for resolver stub. 1311539Srgrimes */ 132170244Sume#define MAXNS 3 /*%< max # name servers we'll track */ 133170244Sume#define MAXDFLSRCH 3 /*%< # default domain levels to try */ 134170244Sume#define MAXDNSRCH 6 /*%< max # domains in search path */ 135170244Sume#define LOCALDOMAINPARTS 2 /*%< min levels in name that is "local" */ 136170244Sume#define RES_TIMEOUT 5 /*%< min. seconds between retries */ 137170244Sume#define MAXRESOLVSORT 10 /*%< number of net to sort on */ 138170244Sume#define RES_MAXNDOTS 15 /*%< should reflect bit field size */ 139170244Sume#define RES_MAXRETRANS 30 /*%< only for resolv.conf/RES_OPTIONS */ 140170244Sume#define RES_MAXRETRY 5 /*%< only for resolv.conf/RES_OPTIONS */ 141170244Sume#define RES_DFLRETRY 2 /*%< Default #/tries. */ 142170244Sume#define RES_MAXTIME 65535 /*%< Infinity, in milliseconds. */ 143156960Sumestruct __res_state_ext; 144156960Sume 1451539Srgrimesstruct __res_state { 146170244Sume int retrans; /*%< retransmission time interval */ 147170244Sume int retry; /*%< number of times to retransmit */ 148156960Sume /* 149156960Sume * XXX: If `sun' is defined, `options' and `pfcode' are 150156960Sume * defined as u_int in original BIND9 distribution. However, 151156960Sume * it breaks binary backward compatibility against FreeBSD's 152156960Sume * resolver. So, we changed not to see `sun'. 153156960Sume */ 154156960Sume#if defined(sun) && 0 155170244Sume u_int options; /*%< option flags - see below. */ 156156960Sume#else 157170244Sume u_long options; /*%< option flags - see below. */ 158156960Sume#endif 159170244Sume int nscount; /*%< number of name servers */ 1603070Spst struct sockaddr_in 161170244Sume nsaddr_list[MAXNS]; /*%< address of name server */ 162170244Sume#define nsaddr nsaddr_list[0] /*%< for backward compatibility */ 163170244Sume u_short id; /*%< current message id */ 164170244Sume char *dnsrch[MAXDNSRCH+1]; /*%< components of domain to search */ 165170244Sume char defdname[256]; /*%< default domain (deprecated) */ 166156960Sume#if defined(sun) && 0 167170244Sume u_int pfcode; /*%< RES_PRF_ flags - see below. */ 168156960Sume#else 169170244Sume u_long pfcode; /*%< RES_PRF_ flags - see below. */ 170156960Sume#endif 171170244Sume unsigned ndots:4; /*%< threshold for initial abs. query */ 172170244Sume unsigned nsort:4; /*%< number of elements in sort_list[] */ 1733070Spst char unused[3]; 1743070Spst struct { 1753070Spst struct in_addr addr; 1763070Spst u_int32_t mask; 1773070Spst } sort_list[MAXRESOLVSORT]; 178170244Sume res_send_qhook qhook; /*%< query hook */ 179170244Sume res_send_rhook rhook; /*%< response hook */ 180170244Sume int res_h_errno; /*%< last one set for this context */ 181170244Sume int _vcsock; /*%< PRIVATE: for res_send VC i/o */ 182170244Sume u_int _flags; /*%< PRIVATE: see below */ 183170244Sume u_int _pad; /*%< make _u 64 bit aligned */ 184156960Sume union { 185156960Sume /* On an 32-bit arch this means 512b total. */ 186156960Sume char pad[72 - 4*sizeof (int) - 2*sizeof (void *)]; 187156960Sume struct { 188156960Sume u_int16_t nscount; 189170244Sume u_int16_t nstimes[MAXNS]; /*%< ms. */ 190156960Sume int nssocks[MAXNS]; 191170244Sume struct __res_state_ext *ext; /*%< extention for IPv6 */ 192156960Sume } _ext; 193156960Sume } _u; 1941539Srgrimes}; 1951539Srgrimes 196156960Sumetypedef struct __res_state *res_state; 197156960Sume 198156960Sumeunion res_sockaddr_union { 199156960Sume struct sockaddr_in sin; 200156960Sume#ifdef IN6ADDR_ANY_INIT 201156960Sume struct sockaddr_in6 sin6; 202156960Sume#endif 203156960Sume#ifdef ISC_ALIGN64 204170244Sume int64_t __align64; /*%< 64bit alignment */ 205156960Sume#else 206170244Sume int32_t __align32; /*%< 32bit alignment */ 207156960Sume#endif 208170244Sume char __space[128]; /*%< max size */ 209156960Sume}; 210156960Sume 211170244Sume/*% 212156960Sume * Resolver flags (used to be discrete per-module statics ints). 21355163Sshin */ 214170244Sume#define RES_F_VC 0x00000001 /*%< socket is TCP */ 215170244Sume#define RES_F_CONN 0x00000002 /*%< socket is connected */ 216170244Sume#define RES_F_EDNS0ERR 0x00000004 /*%< EDNS0 caused errors */ 217170244Sume#define RES_F__UNUSED 0x00000008 /*%< (unused) */ 218170244Sume#define RES_F_LASTMASK 0x000000F0 /*%< ordinal server of last res_nsend */ 219170244Sume#define RES_F_LASTSHIFT 4 /*%< bit position of LASTMASK "flag" */ 220156960Sume#define RES_GETLAST(res) (((res)._flags & RES_F_LASTMASK) >> RES_F_LASTSHIFT) 22155163Sshin 222156960Sume/* res_findzonecut2() options */ 223170244Sume#define RES_EXHAUSTIVE 0x00000001 /*%< always do all queries */ 224170244Sume#define RES_IPV4ONLY 0x00000002 /*%< IPv4 only */ 225170244Sume#define RES_IPV6ONLY 0x00000004 /*%< IPv6 only */ 226156960Sume 227170244Sume/*% 2281539Srgrimes * Resolver options (keep these in synch with res_debug.c, please) 2291539Srgrimes */ 230170244Sume#define RES_INIT 0x00000001 /*%< address initialized */ 231170244Sume#define RES_DEBUG 0x00000002 /*%< print debug messages */ 232170244Sume#define RES_AAONLY 0x00000004 /*%< authoritative answers only (!IMPL)*/ 233170244Sume#define RES_USEVC 0x00000008 /*%< use virtual circuit */ 234170244Sume#define RES_PRIMARY 0x00000010 /*%< query primary server only (!IMPL) */ 235170244Sume#define RES_IGNTC 0x00000020 /*%< ignore truncation errors */ 236170244Sume#define RES_RECURSE 0x00000040 /*%< recursion desired */ 237170244Sume#define RES_DEFNAMES 0x00000080 /*%< use default domain name */ 238170244Sume#define RES_STAYOPEN 0x00000100 /*%< Keep TCP socket open */ 239170244Sume#define RES_DNSRCH 0x00000200 /*%< search up local domain tree */ 240170244Sume#define RES_INSECURE1 0x00000400 /*%< type 1 security disabled */ 241170244Sume#define RES_INSECURE2 0x00000800 /*%< type 2 security disabled */ 242170244Sume#define RES_NOALIASES 0x00001000 /*%< shuts off HOSTALIASES feature */ 243170244Sume#define RES_USE_INET6 0x00002000 /*%< use/map IPv6 in gethostbyname() */ 244170244Sume#define RES_ROTATE 0x00004000 /*%< rotate ns list after each query */ 245170244Sume#define RES_NOCHECKNAME 0x00008000 /*%< do not check names for sanity. */ 246170244Sume#define RES_KEEPTSIG 0x00010000 /*%< do not strip TSIG records */ 247170244Sume#define RES_BLAST 0x00020000 /*%< blast all recursive servers */ 248170244Sume#define RES_NOTLDQUERY 0x00100000 /*%< don't unqualified name as a tld */ 249170244Sume#define RES_USE_DNSSEC 0x00200000 /*%< use DNSSEC using OK bit in OPT */ 250156960Sume/* #define RES_DEBUG2 0x00400000 */ /* nslookup internal */ 25178012Sume/* KAME extensions: use higher bit to avoid conflict with ISC use */ 252170244Sume#define RES_USE_DNAME 0x10000000 /*%< use DNAME */ 253170244Sume#define RES_USE_EDNS0 0x40000000 /*%< use EDNS0 if configured */ 254170244Sume#define RES_NO_NIBBLE2 0x80000000 /*%< disable alternate nibble lookup */ 2551539Srgrimes 256156960Sume#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | \ 257156960Sume RES_DNSRCH | RES_NO_NIBBLE2) 2581539Srgrimes 259170244Sume/*% 2601539Srgrimes * Resolver "pfcode" values. Used by dig. 2611539Srgrimes */ 2623070Spst#define RES_PRF_STATS 0x00000001 26336888Speter#define RES_PRF_UPDATE 0x00000002 2643070Spst#define RES_PRF_CLASS 0x00000004 2653070Spst#define RES_PRF_CMD 0x00000008 2663070Spst#define RES_PRF_QUES 0x00000010 2673070Spst#define RES_PRF_ANS 0x00000020 2683070Spst#define RES_PRF_AUTH 0x00000040 2693070Spst#define RES_PRF_ADD 0x00000080 2703070Spst#define RES_PRF_HEAD1 0x00000100 2713070Spst#define RES_PRF_HEAD2 0x00000200 2723070Spst#define RES_PRF_TTLID 0x00000400 2733070Spst#define RES_PRF_HEADX 0x00000800 2743070Spst#define RES_PRF_QUERY 0x00001000 2753070Spst#define RES_PRF_REPLY 0x00002000 276156960Sume#define RES_PRF_INIT 0x00004000 277156960Sume#define RES_PRF_TRUNC 0x00008000 278156960Sume/* 0x00010000 */ 2791539Srgrimes 280156960Sume/* Things involving an internal (static) resolver context. */ 281156960Sume__BEGIN_DECLS 282156960Sumeextern struct __res_state *__res_state(void); 283156960Sume__END_DECLS 284156960Sume#define _res (*__res_state()) 2851539Srgrimes 286156960Sume#ifndef __BIND_NOSTATIC 287156960Sume#define fp_nquery __fp_nquery 288156960Sume#define fp_query __fp_query 289156960Sume#define hostalias __hostalias 290156960Sume#define p_query __p_query 291156960Sume#define res_close __res_close 292156960Sume#define res_init __res_init 293156960Sume#define res_isourserver __res_isourserver 294156960Sume#define res_mkquery __res_mkquery 295156960Sume#define res_opt __res_opt 296156960Sume#define res_query __res_query 297156960Sume#define res_querydomain __res_querydomain 298156960Sume#define res_search __res_search 299156960Sume#define res_send __res_send 300156960Sume#define res_sendsigned __res_sendsigned 3013070Spst 302126243Sgreen__BEGIN_DECLS 303156960Sumevoid fp_nquery(const u_char *, int, FILE *); 304156960Sumevoid fp_query(const u_char *, FILE *); 305156960Sumeconst char * hostalias(const char *); 306156960Sumevoid p_query(const u_char *); 307156960Sumevoid res_close(void); 308156960Sumeint res_init(void); 309156960Sumeint res_isourserver(const struct sockaddr_in *); 310156960Sumeint res_mkquery(int, const char *, int, int, const u_char *, 311156960Sume int, const u_char *, u_char *, int); 312156960Sumeint res_opt(int, u_char *, int, int); 313156960Sumeint res_query(const char *, int, int, u_char *, int); 314156960Sumeint res_querydomain(const char *, const char *, int, int, 315156960Sume u_char *, int); 316156960Sumeint res_search(const char *, int, int, u_char *, int); 317156960Sumeint res_send(const u_char *, int, u_char *, int); 318156960Sumeint res_sendsigned(const u_char *, int, ns_tsig_key *, 319156960Sume u_char *, int); 320126243Sgreen__END_DECLS 321156960Sume#endif 32255163Sshin 323156960Sume#if !defined(SHARED_LIBBIND) || defined(LIB) 324156960Sume/* 325156960Sume * If libbind is a shared object (well, DLL anyway) 326156960Sume * these externs break the linker when resolv.h is 327156960Sume * included by a lib client (like named) 328156960Sume * Make them go away if a client is including this 329156960Sume * 330156960Sume */ 331156960Sumeextern const struct res_sym __p_key_syms[]; 332156960Sumeextern const struct res_sym __p_cert_syms[]; 33321055Speterextern const struct res_sym __p_class_syms[]; 33421055Speterextern const struct res_sym __p_type_syms[]; 335156960Sumeextern const struct res_sym __p_rcode_syms[]; 336156960Sume#endif /* SHARED_LIBBIND */ 3371539Srgrimes 338156960Sume#define b64_ntop __b64_ntop 339156960Sume#define b64_pton __b64_pton 340156960Sume#define dn_comp __dn_comp 341156960Sume#define dn_count_labels __dn_count_labels 342156960Sume#define dn_expand __dn_expand 343156960Sume#define dn_skipname __dn_skipname 344156960Sume#define fp_resstat __fp_resstat 345156960Sume#define loc_aton __loc_aton 346156960Sume#define loc_ntoa __loc_ntoa 347156960Sume#define p_cdname __p_cdname 348156960Sume#define p_cdnname __p_cdnname 349156960Sume#define p_class __p_class 350156960Sume#define p_fqname __p_fqname 351156960Sume#define p_fqnname __p_fqnname 352156960Sume#define p_option __p_option 353156960Sume#define p_secstodate __p_secstodate 354156960Sume#define p_section __p_section 355156960Sume#define p_time __p_time 356156960Sume#define p_type __p_type 357156960Sume#define p_rcode __p_rcode 358156960Sume#define p_sockun __p_sockun 359156960Sume#define putlong __putlong 360156960Sume#define putshort __putshort 361156960Sume#define res_dnok __res_dnok 362156960Sume#if 0 363156960Sume#define res_findzonecut __res_findzonecut 364158787Sume#endif 365156960Sume#define res_findzonecut2 __res_findzonecut2 366156960Sume#define res_hnok __res_hnok 367156960Sume#define res_hostalias __res_hostalias 368156960Sume#define res_mailok __res_mailok 369156960Sume#define res_nameinquery __res_nameinquery 370156960Sume#define res_nclose __res_nclose 371156960Sume#define res_ninit __res_ninit 372156960Sume#define res_nmkquery __res_nmkquery 373156960Sume#define res_pquery __res_pquery 374156960Sume#define res_nquery __res_nquery 375156960Sume#define res_nquerydomain __res_nquerydomain 376156960Sume#define res_nsearch __res_nsearch 377156960Sume#define res_nsend __res_nsend 378156960Sume#if 0 379156960Sume#define res_nsendsigned __res_nsendsigned 380156960Sume#endif 381156960Sume#define res_nisourserver __res_nisourserver 382156960Sume#define res_ownok __res_ownok 383156960Sume#define res_queriesmatch __res_queriesmatch 384156960Sume#define res_randomid __res_randomid 385156960Sume#define sym_ntop __sym_ntop 386156960Sume#define sym_ntos __sym_ntos 387156960Sume#define sym_ston __sym_ston 388156960Sume#define res_nopt __res_nopt 389156960Sume#define res_ndestroy __res_ndestroy 390156960Sume#define res_nametoclass __res_nametoclass 391156960Sume#define res_nametotype __res_nametotype 392156960Sume#define res_setservers __res_setservers 393156960Sume#define res_getservers __res_getservers 394158518Sume#if 0 395156960Sume#define res_buildprotolist __res_buildprotolist 396156960Sume#define res_destroyprotolist __res_destroyprotolist 397156960Sume#define res_destroyservicelist __res_destroyservicelist 398156960Sume#define res_get_nibblesuffix __res_get_nibblesuffix 399156960Sume#define res_get_nibblesuffix2 __res_get_nibblesuffix2 400156960Sume#endif 401156960Sume#define res_ourserver_p __res_ourserver_p 402158518Sume#if 0 403156960Sume#define res_protocolname __res_protocolname 404156960Sume#define res_protocolnumber __res_protocolnumber 405158518Sume#endif 406156960Sume#define res_send_setqhook __res_send_setqhook 407156960Sume#define res_send_setrhook __res_send_setrhook 408158518Sume#if 0 409156960Sume#define res_servicename __res_servicename 410156960Sume#define res_servicenumber __res_servicenumber 411158518Sume#endif 4121539Srgrimes__BEGIN_DECLS 41393032Simpint res_hnok(const char *); 41493032Simpint res_ownok(const char *); 41593032Simpint res_mailok(const char *); 41693032Simpint res_dnok(const char *); 41793032Simpint sym_ston(const struct res_sym *, const char *, int *); 41893032Simpconst char * sym_ntos(const struct res_sym *, int, int *); 41993032Simpconst char * sym_ntop(const struct res_sym *, int, int *); 42093032Simpint b64_ntop(u_char const *, size_t, char *, size_t); 42193032Simpint b64_pton(char const *, u_char *, size_t); 42293032Simpint loc_aton(const char *, u_char *); 42393032Simpconst char * loc_ntoa(const u_char *, char *); 42493032Simpint dn_skipname(const u_char *, const u_char *); 42593032Simpvoid putlong(u_int32_t, u_char *); 42693032Simpvoid putshort(u_int16_t, u_char *); 427156960Sume#ifndef __ultrix__ 428156960Sumeu_int16_t _getshort(const u_char *); 429156960Sumeu_int32_t _getlong(const u_char *); 430156960Sume#endif 43193032Simpconst char * p_class(int); 43293032Simpconst char * p_time(u_int32_t); 43393032Simpconst char * p_type(int); 434156960Sumeconst char * p_rcode(int); 435156960Sumeconst char * p_sockun(union res_sockaddr_union, char *, size_t); 43693032Simpconst u_char * p_cdnname(const u_char *, const u_char *, int, FILE *); 43793032Simpconst u_char * p_cdname(const u_char *, const u_char *, FILE *); 438156960Sumeconst u_char * p_fqnname(const u_char *, const u_char *, int, char *, int); 43993032Simpconst u_char * p_fqname(const u_char *, const u_char *, FILE *); 44093032Simpconst char * p_option(u_long); 44193032Simpchar * p_secstodate(u_long); 44293032Simpint dn_count_labels(const char *); 44393032Simpint dn_comp(const char *, u_char *, int, u_char **, u_char **); 44493032Simpint dn_expand(const u_char *, const u_char *, const u_char *, 44593032Simp char *, int); 44693032Simpu_int res_randomid(void); 447156960Sumeint res_nameinquery(const char *, int, int, const u_char *, 448156960Sume const u_char *); 44993032Simpint res_queriesmatch(const u_char *, const u_char *, 45093032Simp const u_char *, const u_char *); 45193032Simpconst char * p_section(int, int); 452156960Sume/* Things involving a resolver context. */ 453156960Sumeint res_ninit(res_state); 454156960Sumeint res_nisourserver(const res_state, const struct sockaddr_in *); 455156960Sumevoid fp_resstat(const res_state, FILE *); 456156960Sumevoid res_pquery(const res_state, const u_char *, int, FILE *); 457156960Sumeconst char * res_hostalias(const res_state, const char *, char *, size_t); 458156960Sumeint res_nquery(res_state, const char *, int, int, u_char *, int); 459156960Sumeint res_nsearch(res_state, const char *, int, int, u_char *, int); 460156960Sumeint res_nquerydomain(res_state, const char *, const char *, 461156960Sume int, int, u_char *, int); 462156960Sumeint res_nmkquery(res_state, int, const char *, int, int, 463156960Sume const u_char *, int, const u_char *, 464156960Sume u_char *, int); 465156960Sumeint res_nsend(res_state, const u_char *, int, u_char *, int); 466156960Sume#if 0 467156960Sumeint res_nsendsigned(res_state, const u_char *, int, 468156960Sume ns_tsig_key *, u_char *, int); 469156960Sumeint res_findzonecut(res_state, const char *, ns_class, int, 470156960Sume char *, size_t, struct in_addr *, int); 471158787Sume#endif 472156960Sumeint res_findzonecut2(res_state, const char *, ns_class, int, 473156960Sume char *, size_t, 474156960Sume union res_sockaddr_union *, int); 475156960Sumevoid res_nclose(res_state); 476156960Sumeint res_nopt(res_state, int, u_char *, int, int); 477156960Sumevoid res_send_setqhook(res_send_qhook); 478156960Sumevoid res_send_setrhook(res_send_rhook); 479156960Sumeint __res_vinit(res_state, int); 480158518Sume#if 0 481156960Sumevoid res_destroyservicelist(void); 482156960Sumeconst char * res_servicename(u_int16_t, const char *); 483156960Sumeconst char * res_protocolname(int); 484156960Sumevoid res_destroyprotolist(void); 485156960Sumevoid res_buildprotolist(void); 486156960Sumeconst char * res_get_nibblesuffix(res_state); 487156960Sumeconst char * res_get_nibblesuffix2(res_state); 488156960Sume#endif 489156960Sumevoid res_ndestroy(res_state); 490156960Sumeu_int16_t res_nametoclass(const char *, int *); 491156960Sumeu_int16_t res_nametotype(const char *, int *); 492156960Sumevoid res_setservers(res_state, const union res_sockaddr_union *, 493156960Sume int); 494156960Sumeint res_getservers(res_state, union res_sockaddr_union *, int); 4951539Srgrimes__END_DECLS 4961539Srgrimes 4971539Srgrimes#endif /* !_RESOLV_H_ */ 498170244Sume/*! \file */ 499