long chunk_end_callback(void *ptr);
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CHUNK_END_FUNCTION,
DESCRIPTIONPass a pointer to your callback function, which should match the prototype shown above.
This function gets called by libcurl as soon as a part of the stream has been transferred (or skipped).
Return CURL_CHUNK_END_FUNC_OK if everything is fine or CURL_CHUNK_END_FUNC_FAIL to tell the lib to stop if some error occurred.