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-.\" Copyright (c) 1990, 1991, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" This code is derived from software contributed to Berkeley by
-.\" the American National Standards Committee X3, on Information
-.\" Processing Systems.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 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
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\"     @(#)rand.3	8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/stdlib/rand.3,v 1.12 2001/09/07 14:46:36 asmodai Exp $
-.\"
-.Dd May 25, 1999
-.Dt RAND 3
-.Os
-.Sh NAME
-.Nm rand ,
-.Nm srand ,
-.Nm sranddev ,
-.Nm rand_r
-.Nd bad random number generator
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In stdlib.h
-.Ft void
-.Fn srand "unsigned seed"
-.Ft void
-.Fn sranddev void
-.Ft int
-.Fn rand void
-.Ft int
-.Fn rand_r "unsigned *ctx"
-.Sh DESCRIPTION
-.Bf -symbolic
-These interfaces are obsoleted by
-.Xr random 3 .
-.Ef
-.Pp
-The
-.Fn rand
-function computes a sequence of pseudo-random integers in the range
-of 0 to
-.Dv RAND_MAX
-(as defined by the header file
-.Aq Pa stdlib.h ) .
-.Pp
-The
-.Fn srand
-function sets its argument
-.Fa seed
-as the seed for a new sequence of
-pseudo-random numbers to be returned by
-.Fn rand .
-These sequences are repeatable by calling
-.Fn srand
-with the same seed value.
-.Pp
-If no
-.Fa seed
-value is provided, the functions are automatically
-seeded with a value of 1.
-.Pp
-The
-.Fn sranddev
-function initializes a seed using the
-.Xr random 4
-random number device which returns good random numbers,
-suitable for cryptographic use.
-.Pp
-.Fn rand_r
-provides the same functionality as
-.Fn rand .
-A pointer to the context value
-.Fa ctx
-must be supplied by the caller.
-.Sh SEE ALSO
-.Xr random 3 ,
-.Xr random 4
-.Sh STANDARDS
-The
-.Fn rand
-and
-.Fn srand
-functions
-conform to
-.St -isoC .
-.Pp
-The
-.Fn rand_r
-function is as proposed in the POSIX.4a Draft #6 document.