mention RANDOM_MAX

lib/libc/stdlib/random.3

@@ -1,4 +1,4 @@
-.\"	$NetBSD: random.3,v 1.18 2003/08/07 16:43:43 agc Exp $
+.\"	$NetBSD: random.3,v 1.19 2008/02/28 16:16:35 christos Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     from: @(#)random.3	8.1 (Berkeley) 6/4/93
 .\"
-.Dd June 4, 1993
+.Dd February 28, 2008
 .Dt RANDOM 3
 .Os
 .Sh NAME
@@ -62,6 +62,10 @@ numbers in the range from 0 to
 The period of this random number generator is very large, approximately
 .if t 16\(mu(2\u\s731\s10\d\(mi1).
 .if n 16*((2**31)\(mi1).
+The maximum value
+.Dv RANDOM_MAX
+is defined in
+.In stdlib.h .
 .Pp
 The
 .Fn random