annotate mupdf-source/thirdparty/curl/docs/libcurl/libcurl-easy.3 @ 22:d77477b4e151

Let _int_rc() also handle (i.e. ignore) a local version suffix
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 12:05:57 +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 - 2014, 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 .TH libcurl 3 "19 Sep 2014" "libcurl" "libcurl easy interface"
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23 .SH NAME
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24 libcurl-easy \- easy interface overview
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25 .SH DESCRIPTION
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26 When using libcurl's "easy" interface you init your session and get a handle
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27 (often referred to as an "easy handle"), which you use as input to the easy
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28 interface functions you use. Use \fIcurl_easy_init(3)\fP to get the handle.
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30 You continue by setting all the options you want in the upcoming transfer, the
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31 most important among them is the URL itself (you can't transfer anything
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32 without a specified URL as you may have figured out yourself). You might want
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33 to set some callbacks as well that will be called from the library when data
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34 is available etc. \fIcurl_easy_setopt(3)\fP is used for all this.
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36 \fICURLOPT_URL(3)\fP is only option you really must set, as otherwise there
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37 can be no transfer. Another commonly used option is \fICURLOPT_VERBOSE(3)\fP
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38 that will help you see what libcurl is doing under the hood, very useful when
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39 debugging for example. The \fIcurl_easy_setopt(3)\fP man page has a full index
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40 of the over 200 available options.
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41
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42 If you at any point would like to blank all previously set options for a
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43 single easy handle, you can call \fIcurl_easy_reset(3)\fP and you can also
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44 make a clone of an easy handle (with all its set options) using
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45 \fIcurl_easy_duphandle(3)\fP.
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47 When all is setup, you tell libcurl to perform the transfer using
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48 \fIcurl_easy_perform(3)\fP. It will then do the entire operation and won't
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49 return until it is done (successfully or not).
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50
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51 After the transfer has been made, you can set new options and make another
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52 transfer, or if you're done, cleanup the session by calling
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53 \fIcurl_easy_cleanup(3)\fP. If you want persistent connections, you don't
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54 cleanup immediately, but instead run ahead and perform other transfers using
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55 the same easy handle.
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56 .SH "SEE ALSO"
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57 .BR curl_easy_init "(3)," curl_easy_cleanup "(3)," curl_easy_setopt "(3), "
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58 .BR libcurl-errors "(3), " libcurl-multi "(3), " libcurl "(3) "