NULL ROUTINE POINTERS

[Alexis Dimitriadis]

> After all the talk about null object pointers on machines with non-zero
> null addresses, how would you portably define a null routine pointer?:
Remember cdecl??  It says:
-----------
% cdecl
cast NULL into pointer to function returning short
(short (*)())NULL
-----------
so:
#define		NULLROUTINE		((short (*)()) 0 )

will do fine.  Remember, NULL _is_ 0, even on machines where (byte
pattern) zero is a valid address!!

Alexis Dimitriadis
-- 
_______________________________________________
Any opinions expressed above have been grown organically and contain
no preservatives or artificial sweeteners.

				alexis @ reed
    {decvax,ihnp4,ucbcad,uw-beaver}!tektronix!reed.UUCP