Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_DNS_SERVERS.3 @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .\"
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23 .TH CURLOPT_DNS_SERVERS 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_DNS_SERVERS \- set preferred DNS servers
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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28
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_SERVERS, char *servers);
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30 .SH DESCRIPTION
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31 Pass a char * that is the list of DNS servers to be used instead of the system
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32 default. The format of the dns servers option is:
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33
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34 host[:port][,host[:port]]...
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35
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36 For example:
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37
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38 192.168.1.100,192.168.1.101,3.4.5.6
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39
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40 The application does not have to keep the string around after setting this
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41 option.
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42 .SH DEFAULT
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43 NULL - use system default
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44 .SH PROTOCOLS
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45 All
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46 .SH EXAMPLE
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47 .nf
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48 CURL *curl = curl_easy_init();
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49 if(curl) {
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50 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin");
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51 curl_easy_setopt(curl, CURLOPT_DNS_SERVERS, "192.168.1.100:53,192.168.1.101");
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52 ret = curl_easy_perform(curl);
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53 curl_easy_cleanup(curl);
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54 }
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55 .fi
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56 .SH AVAILABILITY
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57 This option requires that libcurl was built with a resolver backend that
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58 supports this operation. The c-ares backend is the only such one.
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59
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60 Added in 7.24.0
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61 .SH RETURN VALUE
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62 Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not,
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63 CURLE_NOT_BUILT_IN if support was disabled at compile-time,
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64 CURLE_BAD_FUNCTION_ARGUMENT when given an invalid server list, or
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65 CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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66 .SH "SEE ALSO"
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67 .BR CURLOPT_DNS_LOCAL_IP4 "(3), " CURLOPT_DNS_CACHE_TIMEOUT "(3), "