Path: utzoo!utgpu!watmath!att!chinet!les
From: les@chinet.chi.il.us (Leslie Mikesell)
Newsgroups: comp.lang.c
Subject: Re: Remember precedence rules:  (was Re: use of if (!cptr))
Message-ID: <9071@chinet.chi.il.us>
Date: 25 Jul 89 18:27:30 GMT
References: <10099@mpx2.mpx.com> <93@microsoft.UUCP> <9042@chinet.chi.il.us> <1984@cbnewsc.ATT.COM>
Reply-To: les@chinet.chi.il.us (Leslie Mikesell)
Organization: Chinet - Public Access Unix
Lines: 14

In article <1984@cbnewsc.ATT.COM> mackey@cbnewsc.ATT.COM (ron.mackey) writes:

>> while (myptr = my_func() && myptr->x != myptr->y) {

>It would also be incorrect since "&&" binds tighter than "="
>Your expression would be evaluated as follows:

Oops - point well taken; make that:
   while ((myptr = my_func()) && myptr->x != myptr->y) {

...and I just checked some code to make sure I had actually done it
that way.

Les Mikesell