Path: utzoo!mnetor!uunet!husc6!mit-eddie!ll-xn!ames!nrl-cmf!cmcl2!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.lang.c
Subject: Re: struct a <---> struct b
Message-ID: <7221@brl-smoke.ARPA>
Date: 8 Feb 88 12:56:22 GMT
References: <173@heurikon.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 11

In article <173@heurikon.UUCP> lampman@heurikon.UUCP (Ray Lampman) writes:
>What is the best way to declare three different structures,
>each containing a pointer to the other two? I keep running
>into a forward referencing error.

struct b;	/* incomplete types for forward reference */
struct c;

struct a { struct b *bp; struct c *cp; } as;
struct b { struct c *cp; struct a *ap; } bs;
struct c { struct a *ap; struct b *bp; } cs;