function [info,msg] = imjpg(filename)
%IMJPG Information about a JPEG file.
%   [INFO,MSG] = IMJPG(FILENAME) reads the header portion of the
%   JPEG file specified by the string FILENAME and returns an 
%   INFO structure with fields that describe the file.  If any
%   error conditions are encountered, INFO is empty and MSG
%   is a nonempty string describing the error.
%
%   See also IMFINFO, IMREAD, IMWRITE.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 1.3 $ $Date: 1997/11/21 23:36:05 $

error('Missing MEX-file IMJPG');
