69 lines
2.3 KiB
Groff
69 lines
2.3 KiB
Groff
|
.\" **************************************************************************
|
||
|
|
.\" * _ _ ____ _
|
||
|
|
.\" * Project ___| | | | _ \| |
|
||
|
|
.\" * / __| | | | |_) | |
|
||
|
|
.\" * | (__| |_| | _ <| |___
|
||
|
|
.\" * \___|\___/|_| \_\_____|
|
||
|
|
.\" *
|
||
|
|
.\" * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
|
||
|
|
.\" *
|
||
|
|
.\" * This software is licensed as described in the file COPYING, which
|
||
|
|
.\" * you should have received as part of this distribution. The terms
|
||
|
|
.\" * are also available at https://curl.se/docs/copyright.html.
|
||
|
|
.\" *
|
||
|
|
.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
||
|
|
.\" * copies of the Software, and permit persons to whom the Software is
|
||
|
|
.\" * furnished to do so, under the terms of the COPYING file.
|
||
|
|
.\" *
|
||
|
|
.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
|
|
.\" * KIND, either express or implied.
|
||
|
|
.\" *
|
||
|
|
.\" * SPDX-License-Identifier: curl
|
||
|
|
.\" *
|
||
|
|
.\" **************************************************************************
|
||
|
|
.\"
|
||
|
|
.TH CURLINFO_PRIMARY_PORT 3 "12 Sep 2015" libcurl libcurl
|
||
|
|
.SH NAME
|
||
|
|
CURLINFO_PRIMARY_PORT \- get the latest destination port number
|
||
|
|
.SH SYNOPSIS
|
||
|
|
.nf
|
||
|
|
#include <curl/curl.h>
|
||
|
|
|
||
|
|
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIMARY_PORT, long *portp);
|
||
|
|
.fi
|
||
|
|
.SH DESCRIPTION
|
||
|
|
Pass a pointer to a long to receive the destination port of the most recent
|
||
|
|
connection done with this \fBcurl\fP handle.
|
||
|
|
|
||
|
|
This is the destination port of the actual TCP or UDP connection libcurl used.
|
||
|
|
If a proxy was used for the most recent transfer, this is the port number of
|
||
|
|
the proxy, if no proxy was used it is the port number of the most recently
|
||
|
|
accessed URL.
|
||
|
|
.SH PROTOCOLS
|
||
|
|
All
|
||
|
|
.SH EXAMPLE
|
||
|
|
.nf
|
||
|
|
CURL *curl = curl_easy_init();
|
||
|
|
if(curl) {
|
||
|
|
CURLcode res;
|
||
|
|
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
|
||
|
|
res = curl_easy_perform(curl);
|
||
|
|
if(res == CURLE_OK) {
|
||
|
|
long port;
|
||
|
|
res = curl_easy_getinfo(curl, CURLINFO_PRIMARY_PORT, &port);
|
||
|
|
if(!res)
|
||
|
|
printf("Connected to remote port: %ld\\n", port);
|
||
|
|
}
|
||
|
|
curl_easy_cleanup(curl);
|
||
|
|
}
|
||
|
|
.fi
|
||
|
|
.SH AVAILABILITY
|
||
|
|
Added in 7.21.0
|
||
|
|
.SH RETURN VALUE
|
||
|
|
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
|
||
|
|
.SH "SEE ALSO"
|
||
|
|
.BR curl_easy_getinfo (3),
|
||
|
|
.BR curl_easy_setopt (3),
|
||
|
|
.BR CURLINFO_LOCAL_PORT (3),
|
||
|
|
.BR CURLINFO_PRIMARY_IP (3)
|