diff options
author | Hajimu UMEMOTO <ume@FreeBSD.org> | 2006-03-21 16:11:11 +0000 |
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committer | Hajimu UMEMOTO <ume@FreeBSD.org> | 2006-03-21 16:11:11 +0000 |
commit | 5342d17f09a8eec0477b117bc74a90921ac2f03e (patch) | |
tree | e821dd9b60869dd20f6817bbe100b41cd574f673 /include/resolv.h | |
parent | cbfec51a4b15a278763360c8b51536c3ecaa9d14 (diff) | |
download | src-test2-5342d17f09a8eec0477b117bc74a90921ac2f03e.tar.gz src-test2-5342d17f09a8eec0477b117bc74a90921ac2f03e.zip |
Notes
Diffstat (limited to 'include/resolv.h')
-rw-r--r-- | include/resolv.h | 458 |
1 files changed, 311 insertions, 147 deletions
diff --git a/include/resolv.h b/include/resolv.h index 1635040cb0e8..d4a70c251e9b 100644 --- a/include/resolv.h +++ b/include/resolv.h @@ -1,7 +1,7 @@ -/*- - * Copyright (c) 1983, 1987, 1989, 1993 - * The Regents of the University of California. All rights reserved. - * +/* + * 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 * modification, are permitted provided that the following conditions * are met: @@ -12,12 +12,12 @@ * 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. + * 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 @@ -32,25 +32,25 @@ */ /* - * Portions Copyright (c) 1996 by Internet Software Consortium. + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (c) 1996-1999 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. + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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. */ /* * @(#)resolv.h 8.1 (Berkeley) 6/2/93 - * From Id: resolv.h,v 8.12 1998/04/28 19:36:46 halley Exp $ + * $Id: resolv.h,v 1.7.2.11.4.3 2005/08/25 04:44:13 marka Exp $ * $FreeBSD$ */ @@ -62,6 +62,7 @@ #include <sys/cdefs.h> #include <sys/socket.h> #include <stdio.h> +#include <arpa/nameser.h> /* * Revision information. This is the release date in YYYYMMDD format. @@ -71,18 +72,60 @@ * is new enough to contain a certain feature. */ -#define __RES 19960801 +#define __RES 20030124 + +/* + * This used to be defined in res_query.c, now it's in herror.c. + * [XXX no it's not. It's in irs/irs_data.c] + * It was + * never extern'd by any *.h file before it was placed here. For thread + * aware programs, the last h_errno value set is stored in res->h_errno. + * + * XXX: There doesn't seem to be a good reason for exposing RES_SET_H_ERRNO + * (and __h_errno_set) to the public via <resolv.h>. + * XXX: __h_errno_set is really part of IRS, not part of the resolver. + * If somebody wants to build and use a resolver that doesn't use IRS, + * what do they do? Perhaps something like + * #ifdef WANT_IRS + * # define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x) + * #else + * # define RES_SET_H_ERRNO(r,x) (h_errno = (r)->res_h_errno = (x)) + * #endif + */ + +#define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x) +struct __res_state; /* forward */ +__BEGIN_DECLS +void __h_errno_set(struct __res_state *, int); +__END_DECLS /* * Resolver configuration file. * Normally not present, but may contain the address of the - * inital name server(s) to query and the domain search list. + * initial name server(s) to query and the domain search list. */ #ifndef _PATH_RESCONF #define _PATH_RESCONF "/etc/resolv.conf" #endif +typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } + res_sendhookact; + +typedef res_sendhookact (*res_send_qhook)(struct sockaddr * const *, + const u_char **, int *, + u_char *, int, int *); + +typedef res_sendhookact (*res_send_rhook)(const struct sockaddr *, + const u_char *, int, u_char *, + int, int *); + +struct res_sym { + int number; /* Identifying number, like T_MX */ + const char * name; /* Its symbolic name, like "MX" */ + const char * humanname; /* Its fun name, like "mail exchanger" */ +}; + /* * Global defines and variables for resolver stub. */ @@ -92,16 +135,29 @@ #define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */ #define RES_TIMEOUT 5 /* min. seconds between retries */ -#define RES_DFLRETRY 2 /* retries per each name server */ #define MAXRESOLVSORT 10 /* number of net to sort on */ #define RES_MAXNDOTS 15 /* should reflect bit field size */ #define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */ #define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */ +#define RES_DFLRETRY 2 /* Default #/tries. */ +#define RES_MAXTIME 65535 /* Infinity, in milliseconds. */ + +struct __res_state_ext; struct __res_state { - int retrans; /* retransmition time interval */ + int retrans; /* retransmission time interval */ int retry; /* number of times to retransmit */ + /* + * XXX: If `sun' is defined, `options' and `pfcode' are + * defined as u_int in original BIND9 distribution. However, + * it breaks binary backward compatibility against FreeBSD's + * resolver. So, we changed not to see `sun'. + */ +#if defined(sun) && 0 + u_int options; /* option flags - see below. */ +#else u_long options; /* option flags - see below. */ +#endif int nscount; /* number of name servers */ struct sockaddr_in nsaddr_list[MAXNS]; /* address of name server */ @@ -109,7 +165,11 @@ struct __res_state { u_short id; /* current message id */ char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ char defdname[256]; /* default domain (deprecated) */ +#if defined(sun) && 0 + u_int pfcode; /* RES_PRF_ flags - see below. */ +#else u_long pfcode; /* RES_PRF_ flags - see below. */ +#endif unsigned ndots:4; /* threshold for initial abs. query */ unsigned nsort:4; /* number of elements in sort_list[] */ char unused[3]; @@ -117,23 +177,54 @@ struct __res_state { struct in_addr addr; u_int32_t mask; } sort_list[MAXRESOLVSORT]; - char pad[72]; /* on an i386 this means 512b total */ + res_send_qhook qhook; /* query hook */ + res_send_rhook rhook; /* response hook */ + int res_h_errno; /* last one set for this context */ + int _vcsock; /* PRIVATE: for res_send VC i/o */ + u_int _flags; /* PRIVATE: see below */ + u_int _pad; /* make _u 64 bit aligned */ + union { + /* On an 32-bit arch this means 512b total. */ + char pad[72 - 4*sizeof (int) - 2*sizeof (void *)]; + struct { + u_int16_t nscount; + u_int16_t nstimes[MAXNS]; /* ms. */ + int nssocks[MAXNS]; + struct __res_state_ext *ext; /* extention for IPv6 */ + } _ext; + } _u; +}; + +typedef struct __res_state *res_state; + +union res_sockaddr_union { + struct sockaddr_in sin; +#ifdef IN6ADDR_ANY_INIT + struct sockaddr_in6 sin6; +#endif +#ifdef ISC_ALIGN64 + int64_t __align64; /* 64bit alignment */ +#else + int32_t __align32; /* 32bit alignment */ +#endif + char __space[128]; /* max size */ }; -/* for INET6 */ /* - * replacement of __res_state, separated to keep binary compatibility. + * Resolver flags (used to be discrete per-module statics ints). */ -struct __res_state_ext { - struct sockaddr_storage nsaddr_list[MAXNS]; - struct { - int af; /* address family for addr, mask */ - union { - struct in_addr ina; - struct in6_addr in6a; - } addr, mask; - } sort_list[MAXRESOLVSORT]; -}; +#define RES_F_VC 0x00000001 /* socket is TCP */ +#define RES_F_CONN 0x00000002 /* socket is connected */ +#define RES_F_EDNS0ERR 0x00000004 /* EDNS0 caused errors */ +#define RES_F__UNUSED 0x00000008 /* (unused) */ +#define RES_F_LASTMASK 0x000000F0 /* ordinal server of last res_nsend */ +#define RES_F_LASTSHIFT 4 /* bit position of LASTMASK "flag" */ +#define RES_GETLAST(res) (((res)._flags & RES_F_LASTMASK) >> RES_F_LASTSHIFT) + +/* res_findzonecut2() options */ +#define RES_EXHAUSTIVE 0x00000001 /* always do all queries */ +#define RES_IPV4ONLY 0x00000002 /* IPv4 only */ +#define RES_IPV6ONLY 0x00000004 /* IPv6 only */ /* * Resolver options (keep these in synch with res_debug.c, please) @@ -152,11 +243,20 @@ struct __res_state_ext { #define RES_INSECURE2 0x00000800 /* type 2 security disabled */ #define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */ #define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */ -#define RES_NOTLDQUERY 0x00004000 /* Don't query TLD names */ +#define RES_ROTATE 0x00004000 /* rotate ns list after each query */ +#define RES_NOCHECKNAME 0x00008000 /* do not check names for sanity. */ +#define RES_KEEPTSIG 0x00010000 /* do not strip TSIG records */ +#define RES_BLAST 0x00020000 /* blast all recursive servers */ +#define RES_NOTLDQUERY 0x00100000 /* don't unqualified name as a tld */ +#define RES_USE_DNSSEC 0x00200000 /* use DNSSEC using OK bit in OPT */ +/* #define RES_DEBUG2 0x00400000 */ /* nslookup internal */ /* KAME extensions: use higher bit to avoid conflict with ISC use */ -#define RES_USE_EDNS0 0x40000000 /* use EDNS0 */ +#define RES_USE_DNAME 0x10000000 /* use DNAME */ +#define RES_USE_EDNS0 0x40000000 /* use EDNS0 if configured */ +#define RES_NO_NIBBLE2 0x80000000 /* disable alternate nibble lookup */ -#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) +#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | \ + RES_DNSRCH | RES_NO_NIBBLE2) /* * Resolver "pfcode" values. Used by dig. @@ -175,94 +275,138 @@ struct __res_state_ext { #define RES_PRF_HEADX 0x00000800 #define RES_PRF_QUERY 0x00001000 #define RES_PRF_REPLY 0x00002000 -#define RES_PRF_INIT 0x00004000 -/* 0x00008000 */ +#define RES_PRF_INIT 0x00004000 +#define RES_PRF_TRUNC 0x00008000 +/* 0x00010000 */ -typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } - res_sendhookact; - -typedef res_sendhookact (*res_send_qhook)(struct sockaddr * const *ns, - const u_char **query, - int *querylen, - u_char *ans, - int anssiz, - int *resplen); - -typedef res_sendhookact (*res_send_rhook)(const struct sockaddr *ns, - const u_char *query, - int querylen, - u_char *ans, - int anssiz, - int *resplen); +/* Things involving an internal (static) resolver context. */ +__BEGIN_DECLS +extern struct __res_state *__res_state(void); +__END_DECLS +#define _res (*__res_state()) -struct res_sym { - int number; /* Identifying number, like T_MX */ - char * name; /* Its symbolic name, like "MX" */ - char * humanname; /* Its fun name, like "mail exchanger" */ -}; +#ifndef __BIND_NOSTATIC +#define fp_nquery __fp_nquery +#define fp_query __fp_query +#define hostalias __hostalias +#define p_query __p_query +#define res_close __res_close +#define res_init __res_init +#define res_isourserver __res_isourserver +#define res_mkquery __res_mkquery +#define res_opt __res_opt +#define res_query __res_query +#define res_querydomain __res_querydomain +#define res_search __res_search +#define res_send __res_send +#define res_sendsigned __res_sendsigned __BEGIN_DECLS -extern struct __res_state *___res(void); -extern struct __res_state_ext *___res_ext(void); +void fp_nquery(const u_char *, int, FILE *); +void fp_query(const u_char *, FILE *); +const char * hostalias(const char *); +void p_query(const u_char *); +void res_close(void); +int res_init(void); +int res_isourserver(const struct sockaddr_in *); +int res_mkquery(int, const char *, int, int, const u_char *, + int, const u_char *, u_char *, int); +int res_opt(int, u_char *, int, int); +int res_query(const char *, int, int, u_char *, int); +int res_querydomain(const char *, const char *, int, int, + u_char *, int); +int res_search(const char *, int, int, u_char *, int); +int res_send(const u_char *, int, u_char *, int); +int res_sendsigned(const u_char *, int, ns_tsig_key *, + u_char *, int); __END_DECLS -#define _res (*___res()) -/* for INET6 */ -#define _res_ext (*___res_ext()) +#endif +#if !defined(SHARED_LIBBIND) || defined(LIB) +/* + * If libbind is a shared object (well, DLL anyway) + * these externs break the linker when resolv.h is + * included by a lib client (like named) + * Make them go away if a client is including this + * + */ +extern const struct res_sym __p_key_syms[]; +extern const struct res_sym __p_cert_syms[]; extern const struct res_sym __p_class_syms[]; extern const struct res_sym __p_type_syms[]; +extern const struct res_sym __p_rcode_syms[]; +#endif /* SHARED_LIBBIND */ -/* 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 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_opt __res_opt -#define res_mkupdate __res_mkupdate -#define res_mkupdrec __res_mkupdrec -#define res_freeupdrec __res_freeupdrec - +#define b64_ntop __b64_ntop +#define b64_pton __b64_pton +#define dn_comp __dn_comp +#define dn_count_labels __dn_count_labels +#define dn_expand __dn_expand +#define dn_skipname __dn_skipname +#define fp_resstat __fp_resstat +#define loc_aton __loc_aton +#define loc_ntoa __loc_ntoa +#define p_cdname __p_cdname +#define p_cdnname __p_cdnname +#define p_class __p_class +#define p_fqname __p_fqname +#define p_fqnname __p_fqnname +#define p_option __p_option +#define p_secstodate __p_secstodate +#define p_section __p_section +#define p_time __p_time +#define p_type __p_type +#define p_rcode __p_rcode +#define p_sockun __p_sockun +#define putlong __putlong +#define putshort __putshort +#define res_dnok __res_dnok +#if 0 +#define res_findzonecut __res_findzonecut +#define res_findzonecut2 __res_findzonecut2 +#endif +#define res_hnok __res_hnok +#define res_hostalias __res_hostalias +#define res_mailok __res_mailok +#define res_nameinquery __res_nameinquery +#define res_nclose __res_nclose +#define res_ninit __res_ninit +#define res_nmkquery __res_nmkquery +#define res_pquery __res_pquery +#define res_nquery __res_nquery +#define res_nquerydomain __res_nquerydomain +#define res_nsearch __res_nsearch +#define res_nsend __res_nsend +#if 0 +#define res_nsendsigned __res_nsendsigned +#endif +#define res_nisourserver __res_nisourserver +#define res_ownok __res_ownok +#define res_queriesmatch __res_queriesmatch +#define res_randomid __res_randomid +#define sym_ntop __sym_ntop +#define sym_ntos __sym_ntos +#define sym_ston __sym_ston +#define res_nopt __res_nopt +#define res_ndestroy __res_ndestroy +#define res_nametoclass __res_nametoclass +#define res_nametotype __res_nametotype +#define res_setservers __res_setservers +#define res_getservers __res_getservers +#define res_buildprotolist __res_buildprotolist +#define res_destroyprotolist __res_destroyprotolist +#define res_destroyservicelist __res_destroyservicelist +#if 0 +#define res_get_nibblesuffix __res_get_nibblesuffix +#define res_get_nibblesuffix2 __res_get_nibblesuffix2 +#endif +#define res_ourserver_p __res_ourserver_p +#define res_protocolname __res_protocolname +#define res_protocolnumber __res_protocolnumber +#define res_send_setqhook __res_send_setqhook +#define res_send_setrhook __res_send_setrhook +#define res_servicename __res_servicename +#define res_servicenumber __res_servicenumber __BEGIN_DECLS int res_hnok(const char *); int res_ownok(const char *); @@ -276,20 +420,20 @@ int b64_pton(char const *, u_char *, size_t); int loc_aton(const char *, u_char *); const char * loc_ntoa(const u_char *, char *); int dn_skipname(const u_char *, const u_char *); -void fp_resstat(struct __res_state *, FILE *); -void fp_query(const u_char *, FILE *); -void fp_nquery(const u_char *, int, FILE *); -const char * hostalias(const char *); void putlong(u_int32_t, u_char *); void putshort(u_int16_t, u_char *); +#ifndef __ultrix__ +u_int16_t _getshort(const u_char *); +u_int32_t _getlong(const u_char *); +#endif const char * p_class(int); const char * p_time(u_int32_t); const char * p_type(int); -void p_query(const u_char *); +const char * p_rcode(int); +const char * p_sockun(union res_sockaddr_union, char *, size_t); const u_char * p_cdnname(const u_char *, const u_char *, int, FILE *); const u_char * p_cdname(const u_char *, const u_char *, FILE *); -const u_char * p_fqnname(const u_char *, const u_char *, - int, char *, int); +const u_char * p_fqnname(const u_char *, const u_char *, int, char *, int); const u_char * p_fqname(const u_char *, const u_char *, FILE *); const char * p_option(u_long); char * p_secstodate(u_long); @@ -297,35 +441,55 @@ int dn_count_labels(const char *); int dn_comp(const char *, u_char *, int, u_char **, u_char **); int dn_expand(const u_char *, const u_char *, const u_char *, char *, int); -int res_init(void); u_int res_randomid(void); -int res_query(const char *, int, int, u_char *, int); -int res_search(const char *, int, int, u_char *, int); -int res_querydomain(const char *, const char *, int, int, - u_char *, int); -int res_mkquery(int, const char *, int, int, const u_char *, - int, const u_char *, u_char *, int); -int res_send(const u_char *, int, u_char *, int); -int res_isourserver(const struct sockaddr_in *); -int res_nameinquery(const char *, int, int, - const u_char *, const u_char *); +int res_nameinquery(const char *, int, int, const u_char *, + const u_char *); int res_queriesmatch(const u_char *, const u_char *, const u_char *, const u_char *); -void res_close(void); -int res_opt(int, u_char *, int, int); const char * p_section(int, int); -/* XXX These must be exported for BIND4 compatibility. */ -void __putlong(u_int32_t, u_char *); -void __putshort(u_int16_t, u_char *); -u_int32_t _getlong(const u_char *); -u_int16_t _getshort(const u_char *); -/* XXX The following depend on the ns_updrec typedef in arpa/nameser.h */ -#ifdef _ARPA_NAMESER_H_ -int res_update(ns_updrec *); -int res_mkupdate(ns_updrec *, u_char *, int); -ns_updrec * res_mkupdrec(int, const char *, u_int, u_int, u_long); -void res_freeupdrec(ns_updrec *); +/* Things involving a resolver context. */ +int res_ninit(res_state); +int res_nisourserver(const res_state, const struct sockaddr_in *); +void fp_resstat(const res_state, FILE *); +void res_pquery(const res_state, const u_char *, int, FILE *); +const char * res_hostalias(const res_state, const char *, char *, size_t); +int res_nquery(res_state, const char *, int, int, u_char *, int); +int res_nsearch(res_state, const char *, int, int, u_char *, int); +int res_nquerydomain(res_state, const char *, const char *, + int, int, u_char *, int); +int res_nmkquery(res_state, int, const char *, int, int, + const u_char *, int, const u_char *, + u_char *, int); +int res_nsend(res_state, const u_char *, int, u_char *, int); +#if 0 +int res_nsendsigned(res_state, const u_char *, int, + ns_tsig_key *, u_char *, int); +int res_findzonecut(res_state, const char *, ns_class, int, + char *, size_t, struct in_addr *, int); +int res_findzonecut2(res_state, const char *, ns_class, int, + char *, size_t, + union res_sockaddr_union *, int); +#endif +void res_nclose(res_state); +int res_nopt(res_state, int, u_char *, int, int); +void res_send_setqhook(res_send_qhook); +void res_send_setrhook(res_send_rhook); +int __res_vinit(res_state, int); +void res_destroyservicelist(void); +const char * res_servicename(u_int16_t, const char *); +const char * res_protocolname(int); +void res_destroyprotolist(void); +void res_buildprotolist(void); +#if 0 +const char * res_get_nibblesuffix(res_state); +const char * res_get_nibblesuffix2(res_state); #endif +void res_ndestroy(res_state); +u_int16_t res_nametoclass(const char *, int *); +u_int16_t res_nametotype(const char *, int *); +void res_setservers(res_state, const union res_sockaddr_union *, + int); +int res_getservers(res_state, union res_sockaddr_union *, int); __END_DECLS #endif /* !_RESOLV_H_ */ |