Path: utzoo!attcan!uunet!husc6!uwvax!oddjob!mimsy!chris
From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.lang.c
Subject: Re: Casting function ptrs
Message-ID: <11656@mimsy.UUCP>
Date: 24 May 88 21:15:35 GMT
References: <281@marob.MASA.COM> <7330004@hpcllz2.HP.COM>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 20

>chris@trantor.umd.edu (me, using trantor while the broadband network
was out), write:
>>This is not strictly conforming, because the standard does not say
>>whether objects of type `void (*)()' are in any way compatible with
>>objects of type `char *(*)()'. ...

In article <7330004@hpcllz2.HP.COM> walter@hpcllz2.HP.COM (Walter Murray)
writes:
>... page 47 of the January draft:  "A pointer to a function of one
>type may be converted to a pointer to a function of another type and
>back again; the result shall compare equal to the original pointer."

Oops.  You are right; I missed this paragraph.

(Though I wonder whether some implementor might construe this to mean
that the result need only *compare equal* but not necessarily be
*useful*.  But that would be stupid.)
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris