From owner-freebsd-arch  Tue Sep 11  6:15:49 2001
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Date: Tue, 11 Sep 2001 23:14:27 +1000 (EST)
From: Bruce Evans <bde@zeta.org.au>
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To: Bill Fenner <fenner@research.att.com>
Cc: <ticso@mail.cicely.de>, <arch@FreeBSD.ORG>
Subject: Re: Causing <netinet/in.h> to depend on <sys/socket.h>
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On Mon, 10 Sep 2001, Bill Fenner wrote:

> >If it is defined as protocol independend it doesn't belong into a
> >protocol dependend header.
> >E.g. I don't want to include netinet/in.h in an IPv6 only application.
>
> Tough.  <netinet6/in6.h> is an implementation artifact; the standard
> place to get IPv6-related stuff (e.g. sockaddr_in6) is <netinet/in.h> .

This place will also be Standard according to POSIX.1-200x drafts.

Please make it an #error to #include headers that are artifacts of the
implementation in userland.

Bruce


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