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230bb3e278
Make all libcurl related options use .nf (no fill) for the SYNOPSIS section - for consistent look. roffit then renders that section using <pre> (monospace font) in html for the website. Extended manpage-syntax (test 1173) with a basic check for it. Closes #8062
64 lines
2.2 KiB
Groff
64 lines
2.2 KiB
Groff
.\" **************************************************************************
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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) 2021, Max Dymond, <max.dymond@microsoft.com>, 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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.\" * are also available at https://curl.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_PREREQDATA 3 "2 Aug 2021" "libcurl 7.80.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_PREREQDATA \- pointer passed to the pre-request callback
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PREREQDATA, void *pointer);
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.fi
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.SH DESCRIPTION
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Pass a \fIpointer\fP that will be untouched by libcurl and passed as the first
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argument in the pre-request callback set with
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\fICURLOPT_PREREQFUNCTION(3)\fP.
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.SH DEFAULT
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NULL
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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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static int prereq_callback(void *clientp,
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char *conn_primary_ip,
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char *conn_local_ip,
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int conn_primary_port,
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int conn_local_port)
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{
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printf("Connection made to %s:%s\\n", conn_primary_ip, conn_primary_port);
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return CURL_PREREQFUNC_OK;
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}
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{
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struct data prereq_data;
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curl_easy_setopt(CURL *handle, CURLOPT_PREREQFUNCTION, prereq_callback);
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curl_easy_setopt(CURL *handle, CURLOPT_PREREQDATA, &prereq_data);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.80.0
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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_PREREQFUNCTION "(3) "
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