The buffer reference currently being received across the link by the
destination filter. This is used internally by the filter system to
allow automatic copying of buffers which do not have sufficient
permissions for the destination. This should not be accessed directly
by the filters.
The buffer reference currently being received across the link by the destination filter. This is used internally by the filter system to allow automatic copying of buffers which do not have sufficient permissions for the destination. This should not be accessed directly by the filters.