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From: "Morten Welinder" <mwelinder@gmail.com>
Subject: Re: SEGV when lookup_* returns NULL
Date: Mon, 27 Nov 2006 21:23:47 -0500
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> Why?  You would certainly install your own die() handler by that
> time I presume?

Likely, but short of exiting or using longjmp/setjmp what can you do
in such a "die"?  Not much.  And most GUI users will be unhappy
with the exit approach.

If there is any chance that the error is not the programmer's fault, a
nice library ought to pass the error back somehow.