1 files changed, 26 insertions, 5 deletions

diff --git a/src/lib/libc/net/inet_net.3 b/src/lib/libc/net/inet_net.3
index 648d82c780..11cc1d67c6 100644
--- a/src/lib/libc/net/inet_net.3
+++ b/src/lib/libc/net/inet_net.3
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: inet_net.3,v 1.14 2008/06/26 05:42:05 ray Exp $
+.\"     $OpenBSD: inet_net.3,v 1.15 2012/06/24 18:06:42 gilles Exp $
 .\"     $NetBSD: inet_net.3,v 1.1 1997/06/18 02:25:27 lukem Exp $
 .\"
 .\" Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -28,7 +28,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: June 26 2008 $
+.Dd $Mdocdate: June 24 2012 $
 .Dt INET_NET 3
 .Os
 .Sh NAME
@@ -84,10 +84,12 @@ field should be zeroed before calling
 as the function will only fill the number of bytes necessary to
 encode the network number in network byte order.
 .Pp
-The only value for
+The only values for
 .Fa af
-currently supported is
-.Dv AF_INET .
+currently supported are
+.Dv AF_INET
+and
+.Dv AF_INET6 .
 .Fa size
 is the size of the result buffer
 .Fa dst .
@@ -163,6 +165,25 @@ may be decimal, octal, or hexadecimal, as specified
 in the C language (i.e., a leading 0x or 0X implies
 hexadecimal; otherwise, a leading 0 implies octal;
 otherwise, the number is interpreted as decimal).
+.Sh NETWORK NUMBERS (IP VERSION 6)
+See
+.Xr inet_pton 3
+for valid external representations of IP version 6 addresses.
+A valid external representation may have
+.Dq Li /bits
+appended where
+.Dq Li bits
+is in the range
+.Li 0-128
+and is used to explicitly specify the number of bits in the network address.
+When
+.Dq Li /bits
+is not specified 128 is used.
+Note that when the number of bits is specified using
+.Dq Li /bits
+notation, the value of the address still includes all bits supplied
+in the external representation, even those bits which are the host
+part of an Internet address.
 .Sh SEE ALSO
 .Xr byteorder 3 ,
 .Xr inet 3 ,