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CURLINFO_PRIMARY_PORT(3)            libcurl           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

       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 7.21.0


RETURN VALUE

       Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
       if not.


SEE ALSO

       curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_LOCAL_PORT(3),
       CURLINFO_PRIMARY_IP(3)

ibcurl 8.5.0                   December 4, 2023       CURLINFO_PRIMARY_PORT(3)

curl 8.5.0 - Generated Fri Dec 15 15:56:59 CST 2023
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