code: обработка ошибок

main.cpp

@@ -67,6 +67,10 @@ int main(int argc, char* argv[])
         curl_easy_setopt(curl, CURLOPT_URL, argv[0]);
         res = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
+        if (res!=0){
+            cout<<res;
+            exit(1);
+        }
   }
 }