From:	Erik Max Francis <max AT alcyone DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Definition of struct for dynamic linked list.
Date:	Sun, 15 Mar 1998 19:37:22 -0800
Organization:	Alcyone Systems
Lines:	34
Message-ID:	<350C9E71.214A1399@alcyone.com>
References:	<3507af4d DOT 5302402 AT news DOT manawatu DOT gen DOT nz>
NNTP-Posting-Host:	charmaine.alcyone.com
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Michael Langton wrote:

> typedef int stype;
> struct nodeS {
>         stype   data;
>         nodeS   *next;
> }
> 
> I'm getting "parse error before 'nodeS'", but not all the time.  It
> sometimes works when I try it in a new program, and other
> circumstances which I'm not quite sure about.
> 
> Can anybody point out why this might be occurring?

The problem is that, in C, the tag of a structure is not legal without
being prefixed by the keyword `struct'.  That is:

    struct S { ... };

    S s; /* this is an error */

You have to reference it with the `struct' tag:

    struct S { ... };

    struct S s; /* this is fine */

-- 
         Erik Max Francis, &tSftDotIotE / mailto:max AT alcyone DOT com
                       Alcyone Systems / http://www.alcyone.com/max/
  San Jose, California, United States / icbm:+37.20.07/-121.53.38
                                     \
        "I've got the fever for the / flavor of a cracker"
                                   / Ice Cube

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