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From: rwhite@nusdhub.UUCP (Robert C. White Jr.)
Newsgroups: comp.lang.c
Subject: Re: Need help with structure pointers
Message-ID: <120@nusdhub.UUCP>
Date: Mon, 12-Oct-87 18:01:14 EDT
Article-I.D.: nusdhub.120
Posted: Mon Oct 12 18:01:14 1987
Date-Received: Wed, 14-Oct-87 05:30:29 EDT
References: <1778@killer.UUCP>
Organization: National University, San Diego
Lines: 19
Summary: Use -> not .

In article <1778@killer.UUCP>, tad@killer.UUCP (Tad Marko) writes:

	The only problem I saw in you posted program is that when
you have a pointer to a structure you were not de-refrenceing the
pointer before reaching for the value.

	You need something like (*structname).fieldname to do this.
The shorthand for this is the -> operator, therefore where sp and
stuff were defined as "struct X *sp, *stuff" you need to change the
lines as follows:

>     sp.s = max;
      sp->s = max;
>     printf("%s\n", stuff.s); /* I want this to print "Xme Stuff" */
      printf("%s\n", stuff->s); /* I want this to print "Xme Stuff" */

Disclaimer: o-god-please-don't-let-me-be-wrong....

Robert.