code: изменённый код

main.cpp

@@ -51,6 +51,7 @@ Input download(const string& address)
         curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+        curl_easy_setopt(curl, CURLOPT_VERBOSE, true);
         res = curl_easy_perform(curl);
         if (res != CURLE_OK)
             {