Path: utzoo!utgpu!attcan!uunet!auspex!guy
From: guy@auspex.UUCP (Guy Harris)
Newsgroups: comp.sys.apollo
Subject: Re: SR10: /usr/include/apollo/{base,time}.h and cc -A nansi ...
Keywords: SR10, Ansi C, non Ansi C, Apollo include files
Message-ID: <400@auspex.UUCP>
Date: 4 Nov 88 18:06:51 GMT
References: <17508@shemp.CS.UCLA.EDU> <17532@shemp.CS.UCLA.EDU>
Reply-To: guy@auspex.UUCP (Guy Harris)
Organization: Auspex Systems, Santa Clara
Lines: 27

>| It's very simple why we didn't ship all the "missing" header files in
>| <netinet/>:  they're all internal kernel include files that aren't used
>| on Apollo (different TCP implementation).  None of them, to the best of
>| my knowledge, declare any user-program-visible data types or constants.

>  First off tcp(4p) explicitly mentions <netinet/tcp.h>.  Secondly a
>fairly major piece of software, X V11, includes this file.

And, at least in the 4.3BSD implementation, there *ARE*
user-program-visible contants in there, so it's perfectly legitimate for
software like X11 to include it:

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)tcp.h	7.1 (Berkeley) 6/5/86
 */

...

/*
 * User-settable options (used with setsockopt).
 */
#define	TCP_NODELAY	0x01	/* don't delay send to coalesce packets */
#define	TCP_MAXSEG	0x02	/* set maximum segment size */