$Date: 2005/10/26 17:11:18 $
$Revision: 1.6 $
-- Number of free items in buffer
-- fast clear buffer
-- Fill buffer, starting at position pos, with
-- at most nb items read from a_stream.
-- Return the number of items actually read.
-- (From KI_BUFFER)
-- read from buffer to array at most nb items
-- returns the number of read items
-- Fill buffer, with at most nb items read from a_stream.
-- Return the number of items actually read.
binary ring buffer