2014-06-19 07:53:13 -04:00
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.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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2017-05-31 05:56:28 -04:00
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.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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2014-06-19 07:53:13 -04:00
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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2016-02-02 18:19:02 -05:00
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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2014-06-19 07:53:13 -04:00
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_LOCALPORT 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_LOCALPORT \- set local port number to use for socket
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_LOCALPORT, long port);
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.SH DESCRIPTION
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Pass a long. This sets the local port number of the socket used for the
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connection. This can be used in combination with \fICURLOPT_INTERFACE(3)\fP
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and you are recommended to use \fICURLOPT_LOCALPORTRANGE(3)\fP as well when
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this option is set. Valid port numbers are 1 - 65535.
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.SH DEFAULT
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0, disabled - use whatever the system thinks is fine
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin");
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curl_easy_setopt(curl, CURLOPT_LOCALPORT, 8080L);
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/* and try 20 more ports following that */
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curl_easy_setopt(curl, CURLOPT_LOCALPORTRANGE, 20L);
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ret = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.15.2
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.SH RETURN VALUE
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Returns CURLE_OK
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.SH "SEE ALSO"
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.BR CURLOPT_LOCALPORTRANGE "(3), " CURLOPT_INTERFACE "(3), "
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