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| .\" * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. |
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| .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), " curl_easy_setopt "(3), " |
