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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2002-2004 - INRIA - Vincent COUVERT
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution.  The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt

function [tf]=mtlb_isfield(st,f)
    // Emulation function for dir() Matlab function

    if typeof(st)<>"st" then
        tf=%f;
        return
    end

    allf=getfield(1,st);
    tf=or(allf(3:$)==f);
endfunction