A list of the block attributes associated with the specified block, formatted as follows:
(describeBuffer card_id buffer seg_attrib0 ... seg_attribN)
where a segment attribute description is formatted as:
(type read_write_mode offset length )
If the card_id or buffer are invalid, then an error is returned as:
(error error_string)
This command requests a description of the segments defined for a specified buffer. It is typically sent as a command and not used in the configuration file.