Question of Ignorance

[Ken Turkowski]

In article <5590 at utzoo.UUCP> henry at utzoo.UUCP (Henry Spencer) writes:
> > ... I recommend using one of the two constructs
> > 
> >     ( longptr == (long *)32 )
> > or  ( (int)longptr == 32 )
> > 
> > which are guaranteed to do what you want ...
>
>Argh, WRONG!!  Turn that "(int)" into "(long)" and I might agree.  You
>have no guarantees that an int is long enough to hold a pointer.

Arghh!  Wrong again.  You can't cast an lvalue, so that the second option
is not available.  You MUST say		longptr = (long *)32;
-- 

Ken Turkowski @ CADLINC, Menlo Park, CA
UUCP: {amd,decwrl,hplabs,nsc,seismo,spar}!turtlevax!ken
ARPA: turtlevax!ken at DECWRL.ARPA