function c = connection(h)
%CONNECTION  Return dfilt object connection type.

%   Author(s): R. Losada
%   Copyright 1988-2000 The MathWorks, Inc.
%   $Revision: 1.2 $  $Date: 2000/06/13 21:20:45 $ 

error(nargchk(1,1,nargin));
error(nargoutchk(0,1,nargout));

c = h.connection;