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From:	Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Difference between running programs in windows and MS-DOS
Date:	Sun, 10 Mar 2002 10:23:36 CST
Organization:	Rice University, Houston TX
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> I don't know why my programs work very well when I try them under Windows in
> MS-DOS prompt, and they crash when they run in MS-DOS mode?

Try this - before running the program under MS-DOS, issue the command
 cwsdpmi -x

This will set up cwsdpmi to run once with extensions disabled, needs r5.
It's a workaround to let buggy programs written and only tested on 
Windows to be run under DOS.

Run the program.  Does it crash?  If it does not, then it has a null
pointer bug.

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