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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
70 lines
2.5 KiB
Groff
70 lines
2.5 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) 1998 - 2021, 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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.\" * 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 CURLINFO_PRIMARY_IP 3 "12 Sep 2015" "libcurl 7.44.0" "curl_easy_getinfo options"
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.SH NAME
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CURLINFO_PRIMARY_IP \- get IP address of last connection
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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_getinfo(CURL *handle, CURLINFO_PRIMARY_IP, char **ip);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a char pointer to receive the pointer to a null-terminated
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string holding the IP address of the most recent connection done with this
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\fBcurl\fP handle. This string may be IPv6 when that is enabled. Note that you
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get a pointer to a memory area that will be re-used at next request so you
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need to copy the string if you want to keep the information.
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The \fBip\fP pointer will be NULL or pointing to private memory you MUST NOT
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free - it gets freed when you call \fIcurl_easy_cleanup(3)\fP on the
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corresponding CURL handle.
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.SH PROTOCOLS
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All network based ones
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.SH EXAMPLE
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.nf
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{
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char *ip;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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/* Perform the request, res will get the return code */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if((res == CURLE_OK) &&
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!curl_easy_getinfo(curl, CURLINFO_PRIMARY_IP, &ip) && ip) {
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printf("IP: %s\\n", ip);
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}
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/* always cleanup */
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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 7.19.0
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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 curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
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.BR CURLINFO_PRIMARY_PORT "(3), " CURLINFO_LOCAL_IP "(3), "
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