Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!netnews.upenn.edu!eniac.seas.upenn.edu!weisen From: weisen@eniac.seas.upenn.edu (Neil Weisenfeld) Newsgroups: comp.sys.ibm.pc.programmer Subject: Re: NULL pointer error Keywords: Null dos error Message-ID: <27092@netnews.upenn.edu> Date: 14 Jul 90 03:53:21 GMT References: <2008@bnlux0.bnl.gov> Sender: news@netnews.upenn.edu Reply-To: weisen@eniac.seas.upenn.edu.UUCP (Neil Weisenfeld) Organization: University of Pennsylvania Lines: 18 In article <2008@bnlux0.bnl.gov> reilly@bnlux0.bnl.gov (kevin reilly) writes: [NULL ptr stuff deleted] >I guess the question is: What memory address do I watch when stepping >through the program? If the program is attempting to write to a NULL pointer, you could try watching address 0x0000:0x0000 as this is where the "NULL" pointer points. Neil =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Neil I. Weisenfeld | InterNet: weisen@eniac.seas.upenn.edu Dept. of Computer and Info. Sciences | USPS: I dunno, I'm moving... University of Pennsylvania | PENNmail: Don't even try it... =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=