function [status]=gdfrewind(EDF)% [status,POS]=gdfrewind(EDF)% rewinds an open edffile EDF%% see also: frewind, gdfseek, gdfseek %	Version 0.40%	4. Dec.1998%	Copyright (c) 1997,98 by Alois Schloegl%	a.schloegl@ieee.org	% This program 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.% % This program 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 this program; if not, write to the Free Software% Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.status=fseek(EDF.FILE.FID,EDF.HeadLen,-1);