+/**
+ * @brief Buffer data structure we use to buffer the HTTP download
+ * before giving it to the JSON parser.
+ */
+struct GNUNET_CURL_DownloadBuffer
+{
+
+ /**
+ * Download buffer
+ */
+ void *buf;
+
+ /**
+ * The size of the download buffer
+ */
+ size_t buf_size;
+
+ /**
+ * Error code (based on libc errno) if we failed to download
+ * (i.e. response too large).
+ */
+ int eno;
+
+};
+
+
+/**
+ * Parses the raw response we got from the Web server.
+ *
+ * @param db the raw data
+ * @param eh handle
+ * @param response_code HTTP response code
+ * @return the parsed object
+ */
+typedef void *
+(*GNUNET_CURL_RawParser) (struct GNUNET_CURL_DownloadBuffer *db,
+ CURL *eh,
+ long *response_code);
+
+/**
+ * Deallocate the response.
+ *
+ * @param response object to clean
+ */
+typedef void
+(*GNUNET_CURL_ResponseCleaner) (void *response);