From owner-freebsd-hackers  Thu Mar  4 13:59:12 1999
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Date: Thu, 4 Mar 1999 21:58:03 +0000 (GMT)
From: Andy Doran <ad@psn.ie>
To: Jeroen Ruigrok/Asmodai <asmodai@wxs.nl>
Cc: hackers@FreeBSD.org
Subject: Re: /usr/include/net
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> But let's say that 3.x and 4.x use the if_var.h, how would I best use this
> with includes? use #ifndef __FREEBSD_2_2__; #include <net/if_var.h> ?
> 
> That's kinda puzzling me for now.
> 
See the FAQ/Handbook entry on porting for more information, but basically
AFAIR:

-- snip
#include <sys/param.h>

#if defined(__FreeBSD__) && __FreeBSD_version >= 300001
#include <net/if_var.h>
#endif
--snip

If you're getting interface lists, a lot of stuff has changed from
3.0-RELEASE (queues are now used). Take a look interface.c from the latest
source for fetchmail for an example, which I added FreeBSD support to.

Andy.



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