Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!purdue!haven!mimsy!chris
From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.lang.c
Subject: Re: Typecast of Pointers to Functions
Keywords: pointers, functions, typecast
Message-ID: <16598@mimsy.UUCP>
Date: 29 Mar 89 00:19:20 GMT
References: <7689@killer.Dallas.TX.US>
Distribution: usa
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 17

In article <7689@killer.Dallas.TX.US> brian@killer.Dallas.TX.US
(Brian Pellerin) writes:
>I am looking for an equivalent way to specify a typecast of a pointer to 
>a function other than using typedef.  For Example:
>
>  int         (*fcn_ptr2) (); 
>
>  fcn_ptr2 = (???????) NULL;  /* Do Not Use the typedef.  What Goes Here? */

The cast is not strictly necessary here, but its form is

	fcn_ptr2 = (int (*)()) NULL;

See any half-decent C book for the derivation.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris