Thanks. This returns the provider server ip (dns?) and local_ip the reserved ip to communicate with my modem. No other options to show
the same as for ex. http://mybrowserinfo.com/?
Well the server ip is better than nothing for me.

      From: Daniel Stenberg <daniel_at_haxx.se>
 To: libcurl development <curl-library_at_cool.haxx.se>
 Sent: Wednesday, March 22, 2017 11:34 AM
 Subject: Re: Primary IP
   
On Wed, 22 Mar 2017, Michael via curl-library wrote:

> curl_easy_getinfo(curl, CURLINFO_PRIMARY_IP,&ip);curl_easy_setopt(curl,
> CURLOPT_READDATA, &ip); like this it's the same.

Works perfectly for me:

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

  curl = curl_easy_init();
  if(curl) {
    char *ip;

    curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
    /* example.com is redirected, so we tell libcurl to follow redirection */
    curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);

    /* Perform the request, res will get the return code */
    res = curl_easy_perform(curl);
    /* Check for errors */
    if(res != CURLE_OK)
      fprintf(stderr, "curl_easy_perform() failed: %s\n",
              curl_easy_strerror(res));

    if(!curl_easy_getinfo(curl, CURLINFO_PRIMARY_IP, &ip)) {
      printf("IP: %s\n", ip);
    }

    /* always cleanup */
    curl_easy_cleanup(curl);
  }
  return 0;
}

-- 
  / daniel.haxx.se
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Received on 2017-03-22