From 3b367e998f1600658eff3ed13d31e7fc77dc1544 Mon Sep 17 00:00:00 2001
From: Bruce M Simpson <bms@FreeBSD.org>
Date: Thu, 25 Mar 2004 10:08:46 +0000
Subject: [PATCH] Document the existence of NET_RT_IFMALIST.

Reviewed by:	ru
---
 lib/libc/gen/sysctl.3 | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
index 9d5ed4632f3..7fa187b615f 100644
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -559,7 +559,14 @@ The fifth and sixth level names are as follows:
 .It "NET_RT_FLAGS	rtflags"
 .It "NET_RT_DUMP	None"
 .It "NET_RT_IFLIST	0 or if_index"
+.It "NET_RT_IFMALIST	0 or if_index"
 .El
+.Pp
+The
+.Dv NET_RT_IFMALIST
+name returns information about multicast group memberships on all interfaces
+if 0 is specified, or for the interface specified by
+.Va if_index .
 .It Li PF_INET
 Get or set various global information about the IPv4
 (Internet Protocol version 4).