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From: stephen@datacube.UUCP
Newsgroups: net.lang.c
Subject: Re: Another bug in C compilers
Message-ID: <7800015@datacube>
Date: Wed, 6-Aug-86 09:39:00 EDT
Article-I.D.: datacube.7800015
Posted: Wed Aug  6 09:39:00 1986
Date-Received: Sat, 9-Aug-86 08:55:17 EDT
References: <151@danews.UUCP>
Lines: 27
Nf-ID: #R:danews.UUCP:-15100:datacube:7800015:000:499
Nf-From: datacube.UUCP!stephen    Aug  6 09:39:00 1986


> I believe I've found a bug in the C compiler for the Sys 5 Rel 2 3B20.
> Say we have a structure declared as:
> struct ABC
> {
> 	stuff
> };
> and then follow it with:
> struct ABC;
> ... no error ....

It is necessary for structures which reference each other, as in:

struct a;

struct b {
    ...
    struct a *a_ptr;
};

struct a {
    ...
    struct b *b_ptr;
};

Stephen Watkins                    UUCP: ihnp4!datacube!stephen
Datacube Inc.; 4 Dearborn Rd.; Peabody, Ma. 01960; 617-535-6644