NULL does not need a cast

[bsdgames-darwin.git] / worms / worms.6

diff --git a/worms/worms.6 b/worms/worms.6
index 7f11acbcc0e1e077270cd58aaec5c69c09458330..244858df200fa00be012d93327c406ff5bd41ba0 100644 (file)
--- a/worms/worms.6
+++ b/worms/worms.6
@@ -1,5 +1,7 @@
-.\" Copyright (c) 1989 The Regents of the University of California.
-.\" All rights reserved.
+.\"    $NetBSD: worms.6,v 1.14 2009/03/11 13:06:10 joerg Exp $
+.\"
+.\" Copyright (c) 1989, 1993
+.\"    The Regents of the University of California.  All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
@@ -9,11 +11,7 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"    This product includes software developed by the University of
-.\"    California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
+.\" 3. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
 .\"
@@ -29,40 +27,41 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"    from: @(#)worms.6       6.4 (Berkeley) 6/23/90
-.\"    $Id: worms.6,v 1.3 1993/08/05 01:47:21 jtc Exp $
+.\"    @(#)worms.6     8.1 (Berkeley) 5/31/93
 .\"
-.Dd June 23, 1990
-.Dt WORMS 6 
+.Dd May 31, 1993
+.Dt WORMS 6
 .Os
 .Sh NAME
 .Nm worms
 .Nd animate worms on a display terminal
 .Sh SYNOPSIS
-.Nm worms
+.Nm
 .Op Fl ft
-.Op Fl length Ar #
-.Op Fl number Ar #
+.Op Fl d Ar delay
+.Op Fl l Ar length
+.Op Fl n Ar number
 .Sh DESCRIPTION
-Brian Horn (cithep!bdh) showed me a
-.Tn TOPS-20
-program on the DEC-2136 machine called
-.Nm WORM ,
-and suggested that I write a similar program that would run under
-.Ux .
-I did, and no apologies.
+A
+.Ux
+version of the DEC-2136 program
+.Dq worms .
 .Pp
 The options are as follows:
 .Bl -tag -width indent
 .It Fl f
-makes a ``field'' for the worm(s) to eat.
+Makes a
+.Dq field
+for the worm(s) to eat.
 .It Fl t
-causes each worm to leave a trail behind it.
+Makes each worm leave a trail behind it.
+.It Fl d
+Specifies a delay, in milliseconds, between each update.
+This is useful for fast terminals.
+Reasonable values are around 20-200.
+The default is 0.
+.It Fl l
+Specifies a length for each worm; the default is 16.
+.It Fl n
+Specifies the number of worms; the default is 3.
 .El
-.Pp
-You can figure out the rest by yourself.
-.Sh AUTHOR
-Eric P. Scott
-.Sh BUGS
-The lower-right-hand character position will not be updated properly
-on a terminal that wraps at the right margin.