void Test()
{
   CURL* handle;
   struct callback_data data { 0 };

   int rc = curl_global_init(CURL_GLOBAL_ALL);
   handle = curl_easy_init();
   curl_easy_setopt(handle, CURLOPT_WILDCARDMATCH, 1L);
   CURLcode cc = curl_easy_setopt(handle, CURLOPT_CHUNK_BGN_FUNCTION, file_is_coming);
   curl_easy_setopt(handle, CURLOPT_CHUNK_END_FUNCTION, file_is_downloaded);
   curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, write_it);
   curl_easy_setopt(handle, CURLOPT_CHUNK_DATA, &data);
   curl_easy_setopt(handle, CURLOPT_WRITEDATA, &data);

   // Tried the following URLs:
   std::string const srcFullPath = "ftp://ftp.aa.com/dir/*.parquet";
   //                            = "ftp://ftp.aa.com/dir/*";
   curl_easy_setopt(handle, CURLOPT_URL, srcFullPath.data());
   rc = curl_easy_perform(handle);
   curl_easy_cleanup(handle);
   curl_global_cleanup();
   return;
}