CURLINFO_LOCAL_PORT(3)     Library Functions Manual     CURLINFO_LOCAL_PORT(3)

NAME
       CURLINFO_LOCAL_PORT - get the latest local port number

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_LOCAL_PORT, long *portp);

DESCRIPTION
       Pass a pointer to a long to receive the local port number of the most
       recent connection done with this curl handle.

PROTOCOLS
       TCP

EXAMPLE
       int main(void)
       {
         CURL *curl;
         CURLcode res;

         curl = curl_easy_init();
         if(curl) {
           curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
           res = curl_easy_perform(curl);

           if(CURLE_OK == res) {
             long port;
             res = curl_easy_getinfo(curl, CURLINFO_LOCAL_PORT, &port);

             if(CURLE_OK == res) {
               printf("We used local port: %ld\n", port);
             }
           }
           curl_easy_cleanup(curl);
         }
         return 0;
       }

AVAILABILITY
       Added in 7.21.0

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

SEE ALSO
       CURLINFO_LOCAL_IP(3), CURLINFO_PRIMARY_PORT(3), curl_easy_getinfo(3),
       curl_easy_setopt(3)

libcurl                          April 26 2024          CURLINFO_LOCAL_PORT(3)