Date: Tue, 30 Jun 1998 13:22:03 -0400 (EDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: Jim Shankland <jas@flyingfox.com> Cc: abial@nask.pl, freebsd-current@FreeBSD.ORG Subject: Re: Retrieving routing table via sysctl Message-ID: <199806301722.NAA20417@khavrinen.lcs.mit.edu> In-Reply-To: <199806301327.GAA09844@biggusdiskus.flyingfox.com> References: <199806301327.GAA09844@biggusdiskus.flyingfox.com>
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<<On Tue, 30 Jun 1998 06:27:57 -0700 (PDT), Jim Shankland <jas@flyingfox.com> said: > struct rt_msghdr tell you which sockaddr's are present. Beware: the > sockaddr for a netmask is only 8 bytes long. That's because it really isn't a sockaddr at all -- it's just a byte count followed by a bit mask. The only reason you don't see three-byte masks for IP /8 routes is the alignment padding. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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