XXXX adding PID information to netstat output

*** 1,16 ****
  '\" te
  .\" Copyright (C) 2002, Sun Microsystems, Inc. All Rights Reserved
  .\" Copyright 1989 AT&T
  .\" Copyright (c) 1983 Regents of the University of California. All rights reserved. The Berkeley software License Agreement specifies the terms and conditions for redistribution.
! .TH NETSTAT 1M "Sep 02, 2015"
  .SH NAME
  netstat \- show network status
  .SH SYNOPSIS
  .LP
  .nf
! \fBnetstat\fR [\fB-anvR\fR] [\fB-f\fR \fIaddress_family\fR] [\fB-P\fR \fIprotocol\fR]
  .fi
  
  .LP
  .nf
  \fBnetstat\fR \fB-g\fR [\fB-nv\fR] [\fB-f\fR \fIaddress_family\fR]
--- 1,16 ----
  '\" te
  .\" Copyright (C) 2002, Sun Microsystems, Inc. All Rights Reserved
  .\" Copyright 1989 AT&T
  .\" Copyright (c) 1983 Regents of the University of California. All rights reserved. The Berkeley software License Agreement specifies the terms and conditions for redistribution.
! .TH NETSTAT 1M "Jul 12, 2016"
  .SH NAME
  netstat \- show network status
  .SH SYNOPSIS
  .LP
  .nf
! \fBnetstat\fR [\fB-anuvR\fR] [\fB-f\fR \fIaddress_family\fR] [\fB-P\fR \fIprotocol\fR]
  .fi
  
  .LP
  .nf
  \fBnetstat\fR \fB-g\fR [\fB-nv\fR] [\fB-f\fR \fIaddress_family\fR]
*** 337,346 ****
--- 337,359 ----
  .RE
  
  .sp
  .ne 2
  .na
+ \fB\fB-u\fR\fR
+ .ad
+ .sp .6
+ .RS 4n
+ When specified, for each network endpoint \fBnetstat\fR will print the list of
+ the processes currently have an open file descriptor pointing to that endpoint.
+ \fBnetstat\fR will list the username, process id, and the program for each
+ process in that list.
+ .RE
+ 
+ .sp
+ .ne 2
+ .na
  \fB\fB-v\fR\fR
  .ad
  .sp .6
  .RS 4n
  Verbose. Show additional information for the sockets, STREAMS memory