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From: charlie@vicorp.UUCP (Charlie Goldensher)
Newsgroups: comp.lang.c
Subject: Re: Different pointer representations on the same machine
Summary: %p not available for all versions of printf
Message-ID: <1089@vicorp.UUCP>
Date: 23 Feb 89 19:35:57 GMT
References: <3675@arcturus> <1989Feb15.200416.15836@utzoo.uucp> <9382@bloom-beacon.MIT.EDU>
Distribution: usa
Organization: V. I. Corporation, Amherst, Massachusetts
Lines: 11

In article <9382@bloom-beacon.MIT.EDU>, scs@adam.pika.mit.edu (Steve Summit) writes:
> In article <2310@scolex.sco.COM> seanf@scolex.UUCP (Sean Fagan) writes:
> >when you print out a pointer... do you typecast it to long and
> >use a %ld format?
> 
> No, I just use %p.

That's fine if you don't expect to port the code to another machine.
But be aware that not all versions of printf provide the %p option.
I typecast the pointer to a long and use 0x%lx.  (I find the hex
notation more useful for pointers than the decimal notation.)