Annotation of embedaddon/curl/docs/libcurl/libcurl-easy.3, revision 1.1.1.1

1.1       misho       1: .\" **************************************************************************
                      2: .\" *                                  _   _ ____  _
                      3: .\" *  Project                     ___| | | |  _ \| |
                      4: .\" *                             / __| | | | |_) | |
                      5: .\" *                            | (__| |_| |  _ <| |___
                      6: .\" *                             \___|\___/|_| \_\_____|
                      7: .\" *
                      8: .\" * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@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: .TH libcurl 3 "March 23, 2020" "libcurl 7.70.0" "libcurl easy interface"
                     23: 
                     24: .SH NAME
                     25: libcurl-easy \- easy interface overview
                     26: .SH DESCRIPTION
                     27: When using libcurl's "easy" interface you init your session and get a handle
                     28: (often referred to as an "easy handle"), which you use as input to the easy
                     29: interface functions you use. Use \fIcurl_easy_init(3)\fP to get the handle.
                     30: 
                     31: You continue by setting all the options you want in the upcoming transfer, the
                     32: most important among them is the URL itself (you can't transfer anything
                     33: without a specified URL as you may have figured out yourself). You might want
                     34: to set some callbacks as well that will be called from the library when data
                     35: is available etc. \fIcurl_easy_setopt(3)\fP is used for all this.
                     36: 
                     37: \fICURLOPT_URL(3)\fP is only option you really must set, as otherwise there
                     38: can be no transfer. Another commonly used option is \fICURLOPT_VERBOSE(3)\fP
                     39: that will help you see what libcurl is doing under the hood, very useful when
                     40: debugging for example. The \fIcurl_easy_setopt(3)\fP man page has a full index
                     41: of the over 200 available options.
                     42: 
                     43: If you at any point would like to blank all previously set options for a
                     44: single easy handle, you can call \fIcurl_easy_reset(3)\fP and you can also
                     45: make a clone of an easy handle (with all its set options) using
                     46: \fIcurl_easy_duphandle(3)\fP.
                     47: 
                     48: When all is setup, you tell libcurl to perform the transfer using
                     49: \fIcurl_easy_perform(3)\fP.  It will then do the entire operation and won't
                     50: return until it is done (successfully or not).
                     51: 
                     52: After the transfer has been made, you can set new options and make another
                     53: transfer, or if you're done, cleanup the session by calling
                     54: \fIcurl_easy_cleanup(3)\fP. If you want persistent connections, you don't
                     55: cleanup immediately, but instead run ahead and perform other transfers using
                     56: the same easy handle.
                     57: .SH "SEE ALSO"
                     58: .BR curl_easy_init "(3)," curl_easy_cleanup "(3)," curl_easy_setopt "(3), "
                     59: .BR libcurl-errors "(3), " libcurl-multi "(3), " libcurl "(3) "

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>