# Internal method used to configure read callback
	private fun native_register_read_datas_callback(delegate: NativeCurlCallbacks, datas: String, size: Int): CURLCode import String.to_cstring `{
		CURLCallbackReadDatas *d = NULL;
		d = malloc(sizeof(CURLCallbackReadDatas));
		d->data = (char*)String_to_cstring(datas);
		d->len = size;
		d->pos = 0;
		return curl_easy_setopt( self, CURLOPT_READDATA, d);
	`}