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From: kfk9673@ritcv.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: Truncating DOS files
Message-ID: <115@ritcv.UUCP>
Date: Sat, 21-Feb-87 14:07:07 EST
Article-I.D.: ritcv.115
Posted: Sat Feb 21 14:07:07 1987
Date-Received: Sun, 22-Feb-87 15:40:52 EST
References: <1610006@hpcvlo.HP.COM>
Reply-To: kfk9673@ritcv.UUCP (Karl Kingston)
Organization: Rochester Institute of Technology, Rochester, NY
Lines: 4

Are you sure you're talking about INT 21H function 40 (28H)??

I have the Programmer's guide to the IBM PC and it says that function 28H
will truncate if CX is 0.