Remove unimplemented -b option. From YOMURA Masanori.

usr.sbin/ypserv/ypxfr/ypxfr.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: ypxfr.8,v 1.12 2009/10/20 00:51:15 snj Exp $
+.\"	$NetBSD: ypxfr.8,v 1.13 2011/04/25 22:49:06 wiz Exp $
 .\"
 .\" Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se>
 .\" All rights reserved.
@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd February 26, 2005
+.Dd April 26, 2011
 .Dt YPXFR 8
 .Os
 .Sh NAME
@@ -32,7 +32,7 @@
 .Nd get a NIS map from NIS server
 .Sh SYNOPSIS
 .Nm
-.Op Fl bcf
+.Op Fl cf
 .Bk -words
 .Op Fl C Ar tid prog ipadd port
 .Ek
@@ -54,15 +54,6 @@ that transfers maps to the local host.
 .Pp
 The options are as follows:
 .Bl -tag -width indent
-.It Fl b
-Preserve the entry in the database informing a
-.Tn NIS
-server to use
-DNS to get information about unknown hosts. This option will only have
-effect on the maps
-.Pa hosts.byname
-and
-.Pa hosts.byaddr .
 .It Fl c
 Don't send a "Clear current map" to local
 .Nm ypserv