prepend `ip/' to the commands under SYNOPSIS,
analogous to other manpages (such as ppp(8) and prep(8)).

Reference: /n/sources/patch/applied/man-8-ping-prepend-ip
Date: Fri Jul 11 18:58:07 CES 2008
Signed-off-by: a.h.vandijk@gmail.com

--- /sys/man/8/ping	Fri Jul 11 18:56:43 2008
+++ /sys/man/8/ping	Fri Jul 11 18:56:40 2008
@@ -2,7 +2,7 @@
 .SH NAME
 ping, gping, traceroute, hogports \- probe the Internet
 .SH SYNOPSIS
-.B ping
+.B ip/ping
 [
 .B -6aflqr
 ] [
@@ -17,7 +17,7 @@
 ]
 .I destination
 .PP
-.B gping
+.B ip/gping
 [
 .B -r
 ] [
@@ -31,7 +31,7 @@
 .I destination
 \&... ]
 .PP
-.B traceroute
+.B ip/traceroute
 [
 .B -dn
 ][
@@ -46,7 +46,7 @@
 ]
 .I dest
 .PP
-.B hogports
+.B ip/hogports
 .B [\fImtpt\fP/]\fIproto\fP!\fIaddress\fP!\fIstartport\fP[-\fIendport\fP]
 .SH DESCRIPTION
 .I Ping