Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!amdahl!pacbell!att!chinet!les
From: les@chinet.chi.il.us (Leslie Mikesell)
Newsgroups: comp.lang.c
Subject: Re: use of if (!cptr) and if (cptr), where cptr is a *
Message-ID: <9042@chinet.chi.il.us>
Date: 22 Jul 89 20:02:13 GMT
References: <10099@mpx2.mpx.com> <93@microsoft.UUCP>
Reply-To: les@chinet.chi.il.us (Leslie Mikesell)
Organization: Chinet - Public Access Unix
Lines: 15

In article <10103@mpx2.mpx.com> erik@mpx2.mpx.com (Erik Murrey) writes:

>while (myptr= my_func(), myptr->x != myptr->y) {
>	...
>}
>I would kinda like to see that one in your style...

I'd use: 
while (myptr = my_func() && myptr->x != myptr->y) {
 }

which would detect a null pointer returned by my_func() as well as
providing a guaranteed order of evaluation.  

Les Mikesell