resolv.h revision 158518
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 5136888Speter/* 523070Spst * @(#)resolv.h 8.1 (Berkeley) 6/2/93 53156960Sume * $Id: resolv.h,v 1.7.2.11.4.3 2005/08/25 04:44:13 marka Exp $ 5450473Speter * $FreeBSD: head/include/resolv.h 158518 2006-05-13 12:43:12Z 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 671539Srgrimes/* 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 773070Spst/* 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) 97156960Sumestruct __res_state; /* forward */ 98156960Sume__BEGIN_DECLS 99156960Sumevoid __h_errno_set(struct __res_state *, int); 100156960Sume__END_DECLS 101156960Sume 102156960Sume/* 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 { 124156960Sume int number; /* Identifying number, like T_MX */ 125156960Sume const char * name; /* Its symbolic name, like "MX" */ 126156960Sume const char * humanname; /* Its fun name, like "mail exchanger" */ 127156960Sume}; 128156960Sume 1291539Srgrimes/* 1301539Srgrimes * Global defines and variables for resolver stub. 1311539Srgrimes */ 1321539Srgrimes#define MAXNS 3 /* max # name servers we'll track */ 1331539Srgrimes#define MAXDFLSRCH 3 /* # default domain levels to try */ 1341539Srgrimes#define MAXDNSRCH 6 /* max # domains in search path */ 1351539Srgrimes#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */ 1361539Srgrimes 1371539Srgrimes#define RES_TIMEOUT 5 /* min. seconds between retries */ 1383070Spst#define MAXRESOLVSORT 10 /* number of net to sort on */ 1393070Spst#define RES_MAXNDOTS 15 /* should reflect bit field size */ 140123236Smurray#define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */ 141123236Smurray#define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */ 142156960Sume#define RES_DFLRETRY 2 /* Default #/tries. */ 143156960Sume#define RES_MAXTIME 65535 /* Infinity, in milliseconds. */ 1441539Srgrimes 145156960Sumestruct __res_state_ext; 146156960Sume 1471539Srgrimesstruct __res_state { 148156960Sume int retrans; /* retransmission time interval */ 1491539Srgrimes int retry; /* number of times to retransmit */ 150156960Sume /* 151156960Sume * XXX: If `sun' is defined, `options' and `pfcode' are 152156960Sume * defined as u_int in original BIND9 distribution. However, 153156960Sume * it breaks binary backward compatibility against FreeBSD's 154156960Sume * resolver. So, we changed not to see `sun'. 155156960Sume */ 156156960Sume#if defined(sun) && 0 157156960Sume u_int options; /* option flags - see below. */ 158156960Sume#else 1593070Spst u_long options; /* option flags - see below. */ 160156960Sume#endif 1611539Srgrimes int nscount; /* number of name servers */ 1623070Spst struct sockaddr_in 1633070Spst nsaddr_list[MAXNS]; /* address of name server */ 1641539Srgrimes#define nsaddr nsaddr_list[0] /* for backward compatibility */ 16521055Speter u_short id; /* current message id */ 1661539Srgrimes char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ 16721055Speter char defdname[256]; /* default domain (deprecated) */ 168156960Sume#if defined(sun) && 0 169156960Sume u_int pfcode; /* RES_PRF_ flags - see below. */ 170156960Sume#else 1713070Spst u_long pfcode; /* RES_PRF_ flags - see below. */ 172156960Sume#endif 1733070Spst unsigned ndots:4; /* threshold for initial abs. query */ 1743070Spst unsigned nsort:4; /* number of elements in sort_list[] */ 1753070Spst char unused[3]; 1763070Spst struct { 1773070Spst struct in_addr addr; 1783070Spst u_int32_t mask; 1793070Spst } sort_list[MAXRESOLVSORT]; 180156960Sume res_send_qhook qhook; /* query hook */ 181156960Sume res_send_rhook rhook; /* response hook */ 182156960Sume int res_h_errno; /* last one set for this context */ 183156960Sume int _vcsock; /* PRIVATE: for res_send VC i/o */ 184156960Sume u_int _flags; /* PRIVATE: see below */ 185156960Sume u_int _pad; /* make _u 64 bit aligned */ 186156960Sume union { 187156960Sume /* On an 32-bit arch this means 512b total. */ 188156960Sume char pad[72 - 4*sizeof (int) - 2*sizeof (void *)]; 189156960Sume struct { 190156960Sume u_int16_t nscount; 191156960Sume u_int16_t nstimes[MAXNS]; /* ms. */ 192156960Sume int nssocks[MAXNS]; 193156960Sume struct __res_state_ext *ext; /* extention for IPv6 */ 194156960Sume } _ext; 195156960Sume } _u; 1961539Srgrimes}; 1971539Srgrimes 198156960Sumetypedef struct __res_state *res_state; 199156960Sume 200156960Sumeunion res_sockaddr_union { 201156960Sume struct sockaddr_in sin; 202156960Sume#ifdef IN6ADDR_ANY_INIT 203156960Sume struct sockaddr_in6 sin6; 204156960Sume#endif 205156960Sume#ifdef ISC_ALIGN64 206156960Sume int64_t __align64; /* 64bit alignment */ 207156960Sume#else 208156960Sume int32_t __align32; /* 32bit alignment */ 209156960Sume#endif 210156960Sume char __space[128]; /* max size */ 211156960Sume}; 212156960Sume 2131539Srgrimes/* 214156960Sume * Resolver flags (used to be discrete per-module statics ints). 21555163Sshin */ 216156960Sume#define RES_F_VC 0x00000001 /* socket is TCP */ 217156960Sume#define RES_F_CONN 0x00000002 /* socket is connected */ 218156960Sume#define RES_F_EDNS0ERR 0x00000004 /* EDNS0 caused errors */ 219156960Sume#define RES_F__UNUSED 0x00000008 /* (unused) */ 220156960Sume#define RES_F_LASTMASK 0x000000F0 /* ordinal server of last res_nsend */ 221156960Sume#define RES_F_LASTSHIFT 4 /* bit position of LASTMASK "flag" */ 222156960Sume#define RES_GETLAST(res) (((res)._flags & RES_F_LASTMASK) >> RES_F_LASTSHIFT) 22355163Sshin 224156960Sume/* res_findzonecut2() options */ 225156960Sume#define RES_EXHAUSTIVE 0x00000001 /* always do all queries */ 226156960Sume#define RES_IPV4ONLY 0x00000002 /* IPv4 only */ 227156960Sume#define RES_IPV6ONLY 0x00000004 /* IPv6 only */ 228156960Sume 22955163Sshin/* 2301539Srgrimes * Resolver options (keep these in synch with res_debug.c, please) 2311539Srgrimes */ 23210132Speter#define RES_INIT 0x00000001 /* address initialized */ 23310132Speter#define RES_DEBUG 0x00000002 /* print debug messages */ 23410132Speter#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/ 23510132Speter#define RES_USEVC 0x00000008 /* use virtual circuit */ 23610132Speter#define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */ 23713771Smpp#define RES_IGNTC 0x00000020 /* ignore truncation errors */ 23810132Speter#define RES_RECURSE 0x00000040 /* recursion desired */ 23910132Speter#define RES_DEFNAMES 0x00000080 /* use default domain name */ 24010132Speter#define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */ 24110132Speter#define RES_DNSRCH 0x00000200 /* search up local domain tree */ 2423070Spst#define RES_INSECURE1 0x00000400 /* type 1 security disabled */ 2433070Spst#define RES_INSECURE2 0x00000800 /* type 2 security disabled */ 24410132Speter#define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */ 24517902Speter#define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */ 246156960Sume#define RES_ROTATE 0x00004000 /* rotate ns list after each query */ 247156960Sume#define RES_NOCHECKNAME 0x00008000 /* do not check names for sanity. */ 248156960Sume#define RES_KEEPTSIG 0x00010000 /* do not strip TSIG records */ 249156960Sume#define RES_BLAST 0x00020000 /* blast all recursive servers */ 250156960Sume#define RES_NOTLDQUERY 0x00100000 /* don't unqualified name as a tld */ 251156960Sume#define RES_USE_DNSSEC 0x00200000 /* use DNSSEC using OK bit in OPT */ 252156960Sume/* #define RES_DEBUG2 0x00400000 */ /* nslookup internal */ 25378012Sume/* KAME extensions: use higher bit to avoid conflict with ISC use */ 254156960Sume#define RES_USE_DNAME 0x10000000 /* use DNAME */ 255156960Sume#define RES_USE_EDNS0 0x40000000 /* use EDNS0 if configured */ 256156960Sume#define RES_NO_NIBBLE2 0x80000000 /* disable alternate nibble lookup */ 2571539Srgrimes 258156960Sume#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | \ 259156960Sume RES_DNSRCH | RES_NO_NIBBLE2) 2601539Srgrimes 2611539Srgrimes/* 2621539Srgrimes * Resolver "pfcode" values. Used by dig. 2631539Srgrimes */ 2643070Spst#define RES_PRF_STATS 0x00000001 26536888Speter#define RES_PRF_UPDATE 0x00000002 2663070Spst#define RES_PRF_CLASS 0x00000004 2673070Spst#define RES_PRF_CMD 0x00000008 2683070Spst#define RES_PRF_QUES 0x00000010 2693070Spst#define RES_PRF_ANS 0x00000020 2703070Spst#define RES_PRF_AUTH 0x00000040 2713070Spst#define RES_PRF_ADD 0x00000080 2723070Spst#define RES_PRF_HEAD1 0x00000100 2733070Spst#define RES_PRF_HEAD2 0x00000200 2743070Spst#define RES_PRF_TTLID 0x00000400 2753070Spst#define RES_PRF_HEADX 0x00000800 2763070Spst#define RES_PRF_QUERY 0x00001000 2773070Spst#define RES_PRF_REPLY 0x00002000 278156960Sume#define RES_PRF_INIT 0x00004000 279156960Sume#define RES_PRF_TRUNC 0x00008000 280156960Sume/* 0x00010000 */ 2811539Srgrimes 282156960Sume/* Things involving an internal (static) resolver context. */ 283156960Sume__BEGIN_DECLS 284156960Sumeextern struct __res_state *__res_state(void); 285156960Sume__END_DECLS 286156960Sume#define _res (*__res_state()) 2871539Srgrimes 288156960Sume#ifndef __BIND_NOSTATIC 289156960Sume#define fp_nquery __fp_nquery 290156960Sume#define fp_query __fp_query 291156960Sume#define hostalias __hostalias 292156960Sume#define p_query __p_query 293156960Sume#define res_close __res_close 294156960Sume#define res_init __res_init 295156960Sume#define res_isourserver __res_isourserver 296156960Sume#define res_mkquery __res_mkquery 297156960Sume#define res_opt __res_opt 298156960Sume#define res_query __res_query 299156960Sume#define res_querydomain __res_querydomain 300156960Sume#define res_search __res_search 301156960Sume#define res_send __res_send 302156960Sume#define res_sendsigned __res_sendsigned 3033070Spst 304126243Sgreen__BEGIN_DECLS 305156960Sumevoid fp_nquery(const u_char *, int, FILE *); 306156960Sumevoid fp_query(const u_char *, FILE *); 307156960Sumeconst char * hostalias(const char *); 308156960Sumevoid p_query(const u_char *); 309156960Sumevoid res_close(void); 310156960Sumeint res_init(void); 311156960Sumeint res_isourserver(const struct sockaddr_in *); 312156960Sumeint res_mkquery(int, const char *, int, int, const u_char *, 313156960Sume int, const u_char *, u_char *, int); 314156960Sumeint res_opt(int, u_char *, int, int); 315156960Sumeint res_query(const char *, int, int, u_char *, int); 316156960Sumeint res_querydomain(const char *, const char *, int, int, 317156960Sume u_char *, int); 318156960Sumeint res_search(const char *, int, int, u_char *, int); 319156960Sumeint res_send(const u_char *, int, u_char *, int); 320156960Sumeint res_sendsigned(const u_char *, int, ns_tsig_key *, 321156960Sume u_char *, int); 322126243Sgreen__END_DECLS 323156960Sume#endif 32455163Sshin 325156960Sume#if !defined(SHARED_LIBBIND) || defined(LIB) 326156960Sume/* 327156960Sume * If libbind is a shared object (well, DLL anyway) 328156960Sume * these externs break the linker when resolv.h is 329156960Sume * included by a lib client (like named) 330156960Sume * Make them go away if a client is including this 331156960Sume * 332156960Sume */ 333156960Sumeextern const struct res_sym __p_key_syms[]; 334156960Sumeextern const struct res_sym __p_cert_syms[]; 33521055Speterextern const struct res_sym __p_class_syms[]; 33621055Speterextern const struct res_sym __p_type_syms[]; 337156960Sumeextern const struct res_sym __p_rcode_syms[]; 338156960Sume#endif /* SHARED_LIBBIND */ 3391539Srgrimes 340156960Sume#define b64_ntop __b64_ntop 341156960Sume#define b64_pton __b64_pton 342156960Sume#define dn_comp __dn_comp 343156960Sume#define dn_count_labels __dn_count_labels 344156960Sume#define dn_expand __dn_expand 345156960Sume#define dn_skipname __dn_skipname 346156960Sume#define fp_resstat __fp_resstat 347156960Sume#define loc_aton __loc_aton 348156960Sume#define loc_ntoa __loc_ntoa 349156960Sume#define p_cdname __p_cdname 350156960Sume#define p_cdnname __p_cdnname 351156960Sume#define p_class __p_class 352156960Sume#define p_fqname __p_fqname 353156960Sume#define p_fqnname __p_fqnname 354156960Sume#define p_option __p_option 355156960Sume#define p_secstodate __p_secstodate 356156960Sume#define p_section __p_section 357156960Sume#define p_time __p_time 358156960Sume#define p_type __p_type 359156960Sume#define p_rcode __p_rcode 360156960Sume#define p_sockun __p_sockun 361156960Sume#define putlong __putlong 362156960Sume#define putshort __putshort 363156960Sume#define res_dnok __res_dnok 364156960Sume#if 0 365156960Sume#define res_findzonecut __res_findzonecut 366156960Sume#define res_findzonecut2 __res_findzonecut2 367156960Sume#endif 368156960Sume#define res_hnok __res_hnok 369156960Sume#define res_hostalias __res_hostalias 370156960Sume#define res_mailok __res_mailok 371156960Sume#define res_nameinquery __res_nameinquery 372156960Sume#define res_nclose __res_nclose 373156960Sume#define res_ninit __res_ninit 374156960Sume#define res_nmkquery __res_nmkquery 375156960Sume#define res_pquery __res_pquery 376156960Sume#define res_nquery __res_nquery 377156960Sume#define res_nquerydomain __res_nquerydomain 378156960Sume#define res_nsearch __res_nsearch 379156960Sume#define res_nsend __res_nsend 380156960Sume#if 0 381156960Sume#define res_nsendsigned __res_nsendsigned 382156960Sume#endif 383156960Sume#define res_nisourserver __res_nisourserver 384156960Sume#define res_ownok __res_ownok 385156960Sume#define res_queriesmatch __res_queriesmatch 386156960Sume#define res_randomid __res_randomid 387156960Sume#define sym_ntop __sym_ntop 388156960Sume#define sym_ntos __sym_ntos 389156960Sume#define sym_ston __sym_ston 390156960Sume#define res_nopt __res_nopt 391156960Sume#define res_ndestroy __res_ndestroy 392156960Sume#define res_nametoclass __res_nametoclass 393156960Sume#define res_nametotype __res_nametotype 394156960Sume#define res_setservers __res_setservers 395156960Sume#define res_getservers __res_getservers 396158518Sume#if 0 397156960Sume#define res_buildprotolist __res_buildprotolist 398156960Sume#define res_destroyprotolist __res_destroyprotolist 399156960Sume#define res_destroyservicelist __res_destroyservicelist 400156960Sume#define res_get_nibblesuffix __res_get_nibblesuffix 401156960Sume#define res_get_nibblesuffix2 __res_get_nibblesuffix2 402156960Sume#endif 403156960Sume#define res_ourserver_p __res_ourserver_p 404158518Sume#if 0 405156960Sume#define res_protocolname __res_protocolname 406156960Sume#define res_protocolnumber __res_protocolnumber 407158518Sume#endif 408156960Sume#define res_send_setqhook __res_send_setqhook 409156960Sume#define res_send_setrhook __res_send_setrhook 410158518Sume#if 0 411156960Sume#define res_servicename __res_servicename 412156960Sume#define res_servicenumber __res_servicenumber 413158518Sume#endif 4141539Srgrimes__BEGIN_DECLS 41593032Simpint res_hnok(const char *); 41693032Simpint res_ownok(const char *); 41793032Simpint res_mailok(const char *); 41893032Simpint res_dnok(const char *); 41993032Simpint sym_ston(const struct res_sym *, const char *, int *); 42093032Simpconst char * sym_ntos(const struct res_sym *, int, int *); 42193032Simpconst char * sym_ntop(const struct res_sym *, int, int *); 42293032Simpint b64_ntop(u_char const *, size_t, char *, size_t); 42393032Simpint b64_pton(char const *, u_char *, size_t); 42493032Simpint loc_aton(const char *, u_char *); 42593032Simpconst char * loc_ntoa(const u_char *, char *); 42693032Simpint dn_skipname(const u_char *, const u_char *); 42793032Simpvoid putlong(u_int32_t, u_char *); 42893032Simpvoid putshort(u_int16_t, u_char *); 429156960Sume#ifndef __ultrix__ 430156960Sumeu_int16_t _getshort(const u_char *); 431156960Sumeu_int32_t _getlong(const u_char *); 432156960Sume#endif 43393032Simpconst char * p_class(int); 43493032Simpconst char * p_time(u_int32_t); 43593032Simpconst char * p_type(int); 436156960Sumeconst char * p_rcode(int); 437156960Sumeconst char * p_sockun(union res_sockaddr_union, char *, size_t); 43893032Simpconst u_char * p_cdnname(const u_char *, const u_char *, int, FILE *); 43993032Simpconst u_char * p_cdname(const u_char *, const u_char *, FILE *); 440156960Sumeconst u_char * p_fqnname(const u_char *, const u_char *, int, char *, int); 44193032Simpconst u_char * p_fqname(const u_char *, const u_char *, FILE *); 44293032Simpconst char * p_option(u_long); 44393032Simpchar * p_secstodate(u_long); 44493032Simpint dn_count_labels(const char *); 44593032Simpint dn_comp(const char *, u_char *, int, u_char **, u_char **); 44693032Simpint dn_expand(const u_char *, const u_char *, const u_char *, 44793032Simp char *, int); 44893032Simpu_int res_randomid(void); 449156960Sumeint res_nameinquery(const char *, int, int, const u_char *, 450156960Sume const u_char *); 45193032Simpint res_queriesmatch(const u_char *, const u_char *, 45293032Simp const u_char *, const u_char *); 45393032Simpconst char * p_section(int, int); 454156960Sume/* Things involving a resolver context. */ 455156960Sumeint res_ninit(res_state); 456156960Sumeint res_nisourserver(const res_state, const struct sockaddr_in *); 457156960Sumevoid fp_resstat(const res_state, FILE *); 458156960Sumevoid res_pquery(const res_state, const u_char *, int, FILE *); 459156960Sumeconst char * res_hostalias(const res_state, const char *, char *, size_t); 460156960Sumeint res_nquery(res_state, const char *, int, int, u_char *, int); 461156960Sumeint res_nsearch(res_state, const char *, int, int, u_char *, int); 462156960Sumeint res_nquerydomain(res_state, const char *, const char *, 463156960Sume int, int, u_char *, int); 464156960Sumeint res_nmkquery(res_state, int, const char *, int, int, 465156960Sume const u_char *, int, const u_char *, 466156960Sume u_char *, int); 467156960Sumeint res_nsend(res_state, const u_char *, int, u_char *, int); 468156960Sume#if 0 469156960Sumeint res_nsendsigned(res_state, const u_char *, int, 470156960Sume ns_tsig_key *, u_char *, int); 471156960Sumeint res_findzonecut(res_state, const char *, ns_class, int, 472156960Sume char *, size_t, struct in_addr *, int); 473156960Sumeint res_findzonecut2(res_state, const char *, ns_class, int, 474156960Sume char *, size_t, 475156960Sume union res_sockaddr_union *, int); 47636898Speter#endif 477156960Sumevoid res_nclose(res_state); 478156960Sumeint res_nopt(res_state, int, u_char *, int, int); 479156960Sumevoid res_send_setqhook(res_send_qhook); 480156960Sumevoid res_send_setrhook(res_send_rhook); 481156960Sumeint __res_vinit(res_state, int); 482158518Sume#if 0 483156960Sumevoid res_destroyservicelist(void); 484156960Sumeconst char * res_servicename(u_int16_t, const char *); 485156960Sumeconst char * res_protocolname(int); 486156960Sumevoid res_destroyprotolist(void); 487156960Sumevoid res_buildprotolist(void); 488156960Sumeconst char * res_get_nibblesuffix(res_state); 489156960Sumeconst char * res_get_nibblesuffix2(res_state); 490156960Sume#endif 491156960Sumevoid res_ndestroy(res_state); 492156960Sumeu_int16_t res_nametoclass(const char *, int *); 493156960Sumeu_int16_t res_nametotype(const char *, int *); 494156960Sumevoid res_setservers(res_state, const union res_sockaddr_union *, 495156960Sume int); 496156960Sumeint res_getservers(res_state, union res_sockaddr_union *, int); 4971539Srgrimes__END_DECLS 4981539Srgrimes 4991539Srgrimes#endif /* !_RESOLV_H_ */ 500