Typecast of Pointers to Functions

Chris Torek chris at mimsy.UUCP
Wed Mar 29 10:19:20 AEST 1989


In article <7689 at killer.Dallas.TX.US> brian at 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 at mimsy.umd.edu	Path:	uunet!mimsy!chris



More information about the Comp.lang.c mailing list