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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel (at) haxx.se>, et al.
      9  *
     10  * This software is licensed as described in the file COPYING, which
     11  * you should have received as part of this distribution. The terms
     12  * are also available at https://curl.haxx.se/docs/copyright.html.
     13  *
     14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15  * copies of the Software, and permit persons to whom the Software is
     16  * furnished to do so, under the terms of the COPYING file.
     17  *
     18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19  * KIND, either express or implied.
     20  *
     21  ***************************************************************************/
     22 
     23 #include "curl_setup.h"
     24 
     25 /***********************************************************************
     26  * Only for builds using synchronous name resolves
     27  **********************************************************************/
     28 #ifdef CURLRES_SYNCH
     29 
     30 #ifdef HAVE_NETINET_IN_H
     31 #include <netinet/in.h>
     32 #endif
     33 #ifdef HAVE_NETDB_H
     34 #include <netdb.h>
     35 #endif
     36 #ifdef HAVE_ARPA_INET_H
     37 #include <arpa/inet.h>
     38 #endif
     39 #ifdef __VMS
     40 #include <in.h>
     41 #include <inet.h>
     42 #endif
     43 
     44 #ifdef HAVE_PROCESS_H
     45 #include <process.h>
     46 #endif
     47 
     48 #include "urldata.h"
     49 #include "sendf.h"
     50 #include "hostip.h"
     51 #include "hash.h"
     52 #include "share.h"
     53 #include "strerror.h"
     54 #include "url.h"
     55 #include "curl_memory.h"
     56 /* The last #include file should be: */
     57 #include "memdebug.h"
     58 
     59 /*
     60  * Function provided by the resolver backend to set DNS servers to use.
     61  */
     62 CURLcode Curl_set_dns_servers(struct Curl_easy *data,
     63                               char *servers)
     64 {
     65   (void)data;
     66   (void)servers;
     67   return CURLE_NOT_BUILT_IN;
     68 
     69 }
     70 
     71 /*
     72  * Function provided by the resolver backend to set
     73  * outgoing interface to use for DNS requests
     74  */
     75 CURLcode Curl_set_dns_interface(struct Curl_easy *data,
     76                                 const char *interf)
     77 {
     78   (void)data;
     79   (void)interf;
     80   return CURLE_NOT_BUILT_IN;
     81 }
     82 
     83 /*
     84  * Function provided by the resolver backend to set
     85  * local IPv4 address to use as source address for DNS requests
     86  */
     87 CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
     88                                 const char *local_ip4)
     89 {
     90   (void)data;
     91   (void)local_ip4;
     92   return CURLE_NOT_BUILT_IN;
     93 }
     94 
     95 /*
     96  * Function provided by the resolver backend to set
     97  * local IPv6 address to use as source address for DNS requests
     98  */
     99 CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data,
    100                                 const char *local_ip6)
    101 {
    102   (void)data;
    103   (void)local_ip6;
    104   return CURLE_NOT_BUILT_IN;
    105 }
    106 
    107 #endif /* truly sync */
    108