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termux-packages/packages/libresolv-wrapper/resolv_private.patch

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--- a/src/resolv_private.h
+++ b/src/resolv_private.h
@@ -0,0 +1,515 @@
+/* $NetBSD: resolv.h,v 1.31 2005/12/26 19:01:47 perry Exp $ */
+
+/*
+ * 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:
+ * 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. 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.
+ */
+
+/*
+ * 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 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
+ * Id: resolv.h,v 1.7.2.11.4.2 2004/06/25 00:41:05 marka Exp
+ */
+
+#ifndef _RESOLV_PRIVATE_H_
+#define _RESOLV_PRIVATE_H_
+
+#include <sys/cdefs.h>
+
+#include <resolv.h>
+#include "resolv_static.h"
+#include <net/if.h>
+
+/* Despite this file's name, it's part of libresolv. On Android, that means it's part of libc :-( */
+#pragma GCC visibility push(default)
+
+/*
+ * 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 (__RES > 19931104)". Do not
+ * compare for equality; rather, use it to determine whether your resolver
+ * is new enough to contain a certain feature.
+ */
+
+#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 = (r)->res_h_errno = (x))
+struct __res_state; /* forward */
+
+/*
+ * Resolver configuration file.
+ * Normally not present, but may contain the address of the
+ * initial name server(s) to query and the domain search list.
+ */
+
+#ifndef _PATH_RESCONF
+#ifdef ANDROID_CHANGES
+#define _PATH_RESCONF "/etc/ppp/resolv.conf"
+#else
+#define _PATH_RESCONF "/etc/resolv.conf"
+#endif
+#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.
+ */
+#define MAXNS 3 /* max # name servers we'll track */
+#define MAXDFLSRCH 3 /* # default domain levels to try */
+#define MAXDNSRCH 6 /* max # domains in search path */
+#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */
+
+#define RES_TIMEOUT 5 /* min. seconds between retries */
+#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 {
+ unsigned netid; /* NetId: cache key and socket mark */
+ int retrans; /* retransmission time interval */
+ int retry; /* number of times to retransmit */
+#ifdef sun
+ 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 */
+#define nsaddr nsaddr_list[0] /* for backward compatibility */
+ u_short id; /* current message id */
+ char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
+ char defdname[256]; /* default domain (deprecated) */
+#ifdef sun
+ 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];
+ struct {
+ struct in_addr addr;
+ uint32_t mask;
+ } sort_list[MAXRESOLVSORT];
+#ifdef __OLD_RES_STATE
+ char lookups[4];
+#else
+ res_send_qhook qhook; /* query hook */
+ res_send_rhook rhook; /* response hook */
+ int res_h_errno; /* last one set for this context */
+ unsigned _mark; /* If non-0 SET_MARK to _mark on all request sockets */
+ 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 {
+ uint16_t nscount;
+ uint16_t nstimes[MAXNS]; /* ms. */
+ int nssocks[MAXNS];
+ struct __res_state_ext *ext; /* extention for IPv6 */
+ } _ext;
+ } _u;
+#endif
+ struct res_static rstatic[1];
+};
+
+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 */
+};
+
+/*
+ * Resolver flags (used to be discrete per-module statics ints).
+ */
+#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)
+ */
+#define RES_INIT 0x00000001 /* address initialized */
+#define RES_DEBUG 0x00000002 /* print debug messages */
+#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/
+#define RES_USEVC 0x00000008 /* use virtual circuit */
+#define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */
+#define RES_IGNTC 0x00000020 /* ignore trucation errors */
+#define RES_RECURSE 0x00000040 /* recursion desired */
+#define RES_DEFNAMES 0x00000080 /* use default domain name */
+#define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */
+#define RES_DNSRCH 0x00000200 /* search up local domain tree */
+#define RES_INSECURE1 0x00000400 /* type 1 security disabled */
+#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_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_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 | RES_NO_NIBBLE2)
+
+/*
+ * Resolver "pfcode" values. Used by dig.
+ */
+#define RES_PRF_STATS 0x00000001
+#define RES_PRF_UPDATE 0x00000002
+#define RES_PRF_CLASS 0x00000004
+#define RES_PRF_CMD 0x00000008
+#define RES_PRF_QUES 0x00000010
+#define RES_PRF_ANS 0x00000020
+#define RES_PRF_AUTH 0x00000040
+#define RES_PRF_ADD 0x00000080
+#define RES_PRF_HEAD1 0x00000100
+#define RES_PRF_HEAD2 0x00000200
+#define RES_PRF_TTLID 0x00000400
+#define RES_PRF_HEADX 0x00000800
+#define RES_PRF_QUERY 0x00001000
+#define RES_PRF_REPLY 0x00002000
+#define RES_PRF_INIT 0x00004000
+#define RES_PRF_TRUNC 0x00008000
+/* 0x00010000 */
+
+/* Things involving an internal (static) resolver context. */
+__BEGIN_DECLS
+
+__LIBC_HIDDEN__ extern struct __res_state *__res_get_state(void);
+__LIBC_HIDDEN__ extern void __res_put_state(struct __res_state *);
+
+#ifndef ANDROID_CHANGES
+/*
+ * Source and Binary compatibility; _res will not work properly
+ * with multi-threaded programs.
+ */
+extern struct __res_state *__res_state(void);
+#define _res (*__res_state())
+#endif
+
+__END_DECLS
+
+#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_opt __res_opt
+#define res_isourserver __res_isourserver
+#define res_querydomain __res_querydomain
+#define res_send __res_send
+#define res_sendsigned __res_sendsigned
+
+#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_mkquery __res_mkquery
+#endif
+
+__BEGIN_DECLS
+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);
+__LIBC_HIDDEN__ int res_opt(int, u_char *, int, int);
+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_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
+#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
+ *
+ */
+__LIBC_HIDDEN__ extern const struct res_sym __p_key_syms[];
+__LIBC_HIDDEN__ extern const struct res_sym __p_cert_syms[];
+extern const struct res_sym __p_class_syms[];
+extern const struct res_sym __p_type_syms[];
+__LIBC_HIDDEN__ extern const struct res_sym __p_rcode_syms[];
+#endif /* SHARED_LIBBIND */
+
+#ifndef ANDROID_CHANGES
+#define dn_comp __dn_comp
+#endif
+#define dn_count_labels __dn_count_labels
+#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
+#define res_findzonecut __res_findzonecut
+#define res_findzonecut2 __res_findzonecut2
+#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
+#define res_nsendsigned __res_nsendsigned
+#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
+#define res_get_nibblesuffix __res_get_nibblesuffix
+#define res_get_nibblesuffix2 __res_get_nibblesuffix2
+#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 *);
+int res_mailok(const char *);
+int res_dnok(const char *);
+int sym_ston(const struct res_sym *, const char *, int *);
+const char * sym_ntos(const struct res_sym *, int, int *);
+const char * sym_ntop(const struct res_sym *, int, int *);
+#ifndef ANDROID_CHANGES
+int b64_ntop(u_char const *, size_t, char *, size_t);
+int b64_pton(char const *, u_char *, size_t);
+#endif
+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 putlong(uint32_t, u_char *);
+void putshort(uint16_t, u_char *);
+#ifndef __ultrix__
+uint16_t _getshort(const u_char *);
+uint32_t _getlong(const u_char *);
+#endif
+const char * p_class(int);
+const char * p_time(uint32_t);
+const char * p_type(int);
+const char * p_rcode(int);
+__LIBC_HIDDEN__ 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_fqname(const u_char *, const u_char *, FILE *);
+const char * p_option(u_long);
+char * p_secstodate(u_long);
+int dn_count_labels(const char *);
+u_int res_randomid(void);
+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 *);
+__LIBC_HIDDEN__ const char * p_section(int, int);
+/* 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 *);
+__LIBC_HIDDEN__ 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);
+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);
+void res_nclose(res_state);
+__LIBC_HIDDEN__ int res_nopt(res_state, int, u_char *, int, int);
+void res_send_setqhook(res_send_qhook);
+void res_send_setrhook(res_send_rhook);
+__LIBC_HIDDEN__ int __res_vinit(res_state, int);
+void res_destroyservicelist(void);
+const char * res_servicename(uint16_t, const char *);
+const char * res_protocolname(int);
+void res_destroyprotolist(void);
+void res_buildprotolist(void);
+__LIBC_HIDDEN__ const char * res_get_nibblesuffix(res_state);
+__LIBC_HIDDEN__ const char * res_get_nibblesuffix2(res_state);
+__LIBC_HIDDEN__ void res_ndestroy(res_state);
+__LIBC_HIDDEN__ uint16_t res_nametoclass(const char *, int *);
+__LIBC_HIDDEN__ uint16_t res_nametotype(const char *, int *);
+__LIBC_HIDDEN__ void res_setservers(res_state,
+ const union res_sockaddr_union *, int);
+__LIBC_HIDDEN__ int res_getservers(res_state,
+ union res_sockaddr_union *, int);
+
+__LIBC_HIDDEN__ void res_setnetid(res_state, unsigned);
+__LIBC_HIDDEN__ void res_setmark(res_state, unsigned);
+u_int res_randomid(void);
+
+#ifdef __i386__
+# define __socketcall extern __attribute__((__cdecl__))
+#else
+# define __socketcall extern
+#endif
+
+__socketcall int __connect(int, const struct sockaddr*, socklen_t);
+
+#undef __socketcall
+
+__END_DECLS
+
+#pragma GCC visibility pop
+
+#endif /* !_RESOLV_PRIVATE_H_ */
--- a/src/resolv_static.h
+++ b/src/resolv_static.h
@@ -0,0 +1,32 @@
+#ifndef _RESOLV_STATIC_H
+#define _RESOLV_STATIC_H
+
+#include <netdb.h>
+
+/* this structure contains all the variables that were declared
+ * 'static' in the original NetBSD resolver code.
+ *
+ * this caused vast amounts of crashes and memory corruptions
+ * when the resolver was being used by multiple threads.
+ *
+ * (note: the OpenBSD/FreeBSD resolver has similar 'issues')
+ */
+
+#define MAXALIASES 35
+#define MAXADDRS 35
+
+typedef struct res_static {
+ char* h_addr_ptrs[MAXADDRS + 1];
+ char* host_aliases[MAXALIASES];
+ char hostbuf[8*1024];
+ u_int32_t host_addr[16 / sizeof(u_int32_t)]; /* IPv4 or IPv6 */
+ FILE* hostf;
+ int stayopen;
+ const char* servent_ptr;
+ struct servent servent;
+ struct hostent host;
+} *res_static;
+
+extern res_static __res_get_static(void);
+
+#endif /* _RESOLV_STATIC_H */
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