In ndn_decodeBinaryXmlData, added signedFieldsBeginOffset and signedFieldsEndOffset.
diff --git a/ndn-cpp/c/encoding/binary-xml-data.h b/ndn-cpp/c/encoding/binary-xml-data.h
index df77d69..cfbfa3d 100644
--- a/ndn-cpp/c/encoding/binary-xml-data.h
+++ b/ndn-cpp/c/encoding/binary-xml-data.h
@@ -16,19 +16,30 @@
#endif
/**
- * Encode the data as binary XML.
+ * Encode the data packet as binary XML.
* @param data Pointer to the data object the encode.
* @param signedFieldsBeginOffset Return the offset in the encoding of the beginning of the fields which are signed.
* If you are not encoding in order to sign, you can ignore this.
* @param signedFieldsEndOffset Return the offset in the encoding of the end of the fields which are signed.
* If you are not encoding in order to sign, you can ignore this.
- * @param encoder Pointer to the encoder object which receives the encoding.
- * @return
+ * @param encoder Pointer to the ndn_BinaryXmlEncoder struct which receives the encoding.
+ * @return 0 for success, else an error code.
*/
ndn_Error ndn_encodeBinaryXmlData
(struct ndn_Data *data, unsigned int *signedFieldsBeginOffset, unsigned int *signedFieldsEndOffset, struct ndn_BinaryXmlEncoder *encoder);
-ndn_Error ndn_decodeBinaryXmlData(struct ndn_Data *data, struct ndn_BinaryXmlDecoder *decoder);
+/**
+ * Decode the data packet as binary XML.
+ * @param data Pointer to the data object the decode.
+ * @param signedFieldsBeginOffset Return the offset in the encoding of the beginning of the fields which are signed.
+ * If you are not encoding in order to sign, you can ignore this.
+ * @param signedFieldsEndOffset Return the offset in the encoding of the end of the fields which are signed.
+ * If you are not encoding in order to sign, you can ignore this.
+ * @param decoder Pointer to the ndn_BinaryXmlDecoder struct which has been initialized with the buffer to decode.
+ * @return 0 for success, else an error code.
+ */
+ndn_Error ndn_decodeBinaryXmlData
+ (struct ndn_Data *data, unsigned int *signedFieldsBeginOffset, unsigned int *signedFieldsEndOffset, struct ndn_BinaryXmlDecoder *decoder);
#ifdef __cplusplus
}