curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, get_from_zip_url_data);
curl_easy_setopt (curl, CURLOPT_WRITEDATA, f);
curl_easy_setopt (curl, CURLOPT_FTP_USE_EPSV, 0);
curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, get_from_zip_url_data);
curl_easy_setopt (curl, CURLOPT_WRITEDATA, f);
curl_easy_setopt (curl, CURLOPT_FTP_USE_EPSV, 0);