external variable disappears

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#1307

From: David J. Camp
Date: Tue, 20 Feb 1990 11:07

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I am using Microsoft C 5.1.  I have a variable defined before the first
function declaration like this:

int crc_flag;

As soon as I enter the first function, CodeView reports that the value
of the function has changed, from 1 to 0.  The variable is not declared
inside the function, and is not an argument in the function call.

This seems wrong, based on my understanding of C.  What should be
happening?  -David-

Bitnet:   david@wubios.wustl                ^      Mr. David J. Camp
Internet: david%wubios@wugate.wustl.edu   < * >    Box 8067, Biostatistics
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Washington University (314) 36-23635               Saint Louis, MO 63110

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!wuarchive!wubios!david
From: david@wubios.wustl.edu (David J. Camp)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: external variable disappears
Message-ID: <1027@wubios.wustl.edu>
Date: 20 Feb 90 11:07:50 GMT
Sender: david@wubios.wustl.edu (David J. Camp)
Reply-To: david@wubios.WUstl.EDU (David J. Camp)
Organization: Washington University (St. Louis)
Lines: 16