--- /dev/null
+function [p,e,t]=Ustructmesh(x,y,region,sides,varargin)
+
+% [p,e,t]=Ustructmesh(x,y,region,sides,varargin)
+
+% This file is part of
+%
+% SECS2D - A 2-D Drift--Diffusion Semiconductor Device Simulator
+% -------------------------------------------------------------------
+% Copyright (C) 2004-2006 Carlo de Falco
+%
+%
+%
+% SECS2D is free software; you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation; either version 2 of the License, or
+% (at your option) any later version.
+%
+% SECS2D is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with SECS2D; If not, see <http://www.gnu.org/licenses/>.
+
+defaultoption = 'right';
+
+if length(varargin)==0
+ theoption = defaultoption;
+else
+ theoption = varargin{1};
+end
+
+[p,e,t]=feval(['Ustructmesh_' theoption],x,y,region,sides);