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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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.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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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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.\" *
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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_CONNECT_ONLY 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_CONNECT_ONLY \- stop when connected to target server
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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_CONNECT_ONLY, long only);
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.SH DESCRIPTION
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Pass a long. If the parameter equals 1, it tells the library to perform all
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the required proxy authentication and connection setup, but no data transfer,
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2014-10-31 09:06:47 -04:00
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and then return.
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The option can be used to simply test a connection to a server, but is more
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useful when used with the \fICURLINFO_ACTIVESOCKET(3)\fP option to
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\fIcurl_easy_getinfo(3)\fP as the library can set up the connection and then
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the application can obtain the most recently used socket for special data
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transfers.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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2014-10-31 08:44:43 -04:00
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HTTP, SMTP, POP3 and IMAP
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.SH EXAMPLE
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TODO
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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 if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_VERBOSE "(3), " CURLOPT_HTTPPROXYTUNNEL "(3), "
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2016-12-18 06:51:48 -05:00
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.BR curl_easy_recv "(3), " curl_easy_send "(3) "
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