Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_INTERFACE.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 - 2018, 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_INTERFACE 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_INTERFACE \- source interface for outgoing traffic
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_INTERFACE, char *interface);
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30 .SH DESCRIPTION
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31 Pass a char * as parameter. This sets the \fIinterface\fP name to use as
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32 outgoing network interface. The name can be an interface name, an IP address,
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33 or a host name.
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34
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35 If the parameter starts with "if!" then it is treated as only as interface
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36 name and no attempt will ever be named to do treat it as an IP address or to
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37 do name resolution on it. If the parameter starts with \&"host!" it is
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38 treated as either an IP address or a hostname. Hostnames are resolved
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39 synchronously. Using the if! format is highly recommended when using the
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40 multi interfaces to avoid allowing the code to block. If "if!" is specified
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41 but the parameter does not match an existing interface, CURLE_INTERFACE_FAILED
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42 is returned from the libcurl function used to perform the transfer.
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44 libcurl does not support using network interface names for this option on
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45 Windows.
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46
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47 The application does not have to keep the string around after setting this
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48 option.
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49 .SH DEFAULT
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50 NULL, use whatever the TCP stack finds suitable
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51 .SH PROTOCOLS
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52 All
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53 .SH EXAMPLE
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54 .nf
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55 CURL *curl = curl_easy_init();
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56 if(curl) {
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57 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin");
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58
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59 curl_easy_setopt(curl, CURLOPT_INTERFACE, "eth0");
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60
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61 ret = curl_easy_perform(curl);
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62
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63 curl_easy_cleanup(curl);
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64 }
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65 .fi
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66 .SH AVAILABILITY
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67 The "if!" and "host!" syntax was added in 7.24.0.
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68 .SH RETURN VALUE
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69 Returns CURLE_OK on success or
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70 CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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71 .SH "SEE ALSO"
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72 .BR CURLOPT_SOCKOPTFUNCTION "(3), " CURLOPT_TCP_NODELAY "(3), "