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From: aj3u@agate.cs.virginia.edu (Asim Jalis)
Newsgroups: comp.lang.c
Subject: Global and Extern Pointers, Arrays
Message-ID: <AJ3U.91May22202642@agate.cs.virginia.edu>
Date: 23 May 91 01:26:42 GMT
Sender: usenet@murdoch.acc.Virginia.EDU
Distribution: comp
Organization: University of Virginia, Charlottesville, VA 22903
Lines: 18

I just figured out the following bug in my program.  I had a global
array, with some initialized value that I was also declared an extern
pointer in the other files that accessing it.  This turns out to be a
no-no.  The bug went away when I changed the extern definition to an
array also.  

Here is the code:

file.1
	struct x px[1] = { ... };

file.2
	extern *px	/* boinks */
	extern px[]	/* works */

Any ideas as to why this is?

Asim Jalis.