CURLINFO_PRIMARY_PORT(3) Library Functions Manual 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
This functionality affects all supported protocols
EXAMPLE
int main(void)
{
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 curl 7.21.0
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
if not.
SEE ALSO
CURLINFO_LOCAL_PORT(3), CURLINFO_PRIMARY_IP(3), curl_easy_getinfo(3),
curl_easy_setopt(3)
libcurl 2024-08-05 CURLINFO_PRIMARY_PORT(3)
curl 8.9.1 - Generated Thu Aug 8 09:08:46 CDT 2024