CURLINFO_PRIMARY_PORT - get the latest destination port number
#include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIMARY_PORT, long *portp);
CURLINFO_PRIMARY_PORT(3) curl_easy_getinfo options CURLINFO_PRIMARY_PORT(3) NAME CURLINFO_PRIMARY_PORT - get the latest destination port number SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIMARY_PORT, long *portp); DESCRIPTION Pass a pointer to a long to receive the destination port of the most recent connection done with this curl 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. PROTOCOLS All EXAMPLE 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); } AVAILABILITY Added in 7.21.0 RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. ATTRIBUTES See attributes(7) for descriptions of the following attributes: +---------------+------------------+ |ATTRIBUTE TYPE | ATTRIBUTE VALUE | +---------------+------------------+ |Availability | web/curl | +---------------+------------------+ |Stability | Uncommitted | +---------------+------------------+ SEE ALSO curl_easy_getinfo(3), curl_easy_setopt(3), NOTES Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source- code-downloads.html. This software was built from source available at https://github.com/oracle/solaris-userland. The original community source was downloaded from https://curl.se/down- load/curl-7.83.1.tar.bz2. Further information about this software can be found on the open source community website at http://curl.haxx.se/. libcurl 7.83.1 April 20, 2022 CURLINFO_PRIMARY_PORT(3)