problem with cygcurl-2.dll

Hi,
i'm using cygwin and i've downloaded cygcurl-2.dll.
but when i try to compile a simple example (taken from cURL site) i'm getting errors.

this is my example:

Code:

#include <stdio.h>
#include <curl/curl.h>
 
int main(void)
{
  CURL *curl;
  CURLcode res;
 
  curl = curl_easy_init();
  if(curl) {
    /* First set the URL that is about to receive our POST. This URL can
       just as well be a https:// URL if that is what should receive the
       data. */
    curl_easy_setopt(curl, CURLOPT_URL, "http://postit.example.com/moo.cgi");
    /* Now specify the POST data */
    curl_easy_setopt(curl, CURLOPT_POSTFIELDS, "name=daniel&project=curl");

    /* Perform the request, res will get the return code */
    res = curl_easy_perform(curl);

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

it recognizes the #include <curl/curl.h> line
but i get "undefind reference" for all the other lines, such as : curl_easy_setopt(curl, CURLOPT_URL, "http://postit.example.com/moo.cgi");

what am i doing wrong?

 

Problem solved.