|File: [cvs.NetBSD.org] / src / lib / libc / stdlib / rand.3 (download)
Revision 1.8, Thu Feb 7 07:00:30 2002 UTC (18 years ago) by ross
CVS Tags: netbsd-1-6-base, netbsd-1-6-RELEASE, netbsd-1-6-RC3, netbsd-1-6-RC2, netbsd-1-6-RC1, netbsd-1-6-PATCH002-RELEASE, netbsd-1-6-PATCH002-RC4, netbsd-1-6-PATCH002-RC3, netbsd-1-6-PATCH002-RC2, netbsd-1-6-PATCH002-RC1, netbsd-1-6-PATCH002, netbsd-1-6-PATCH001-RELEASE, netbsd-1-6-PATCH001-RC3, netbsd-1-6-PATCH001-RC2, netbsd-1-6-PATCH001-RC1, netbsd-1-6-PATCH001, netbsd-1-6, nathanw_sa_before_merge, nathanw_sa_base, fvdl_fs64_base
Changes since 1.7: +2 -2
Generate <>& symbolically.
.\" $NetBSD: rand.3,v 1.8 2002/02/07 07:00:30 ross Exp $
.\" 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.
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.\" from: @(#)rand.3 8.1 (Berkeley) 6/4/93
.Dd June 4, 1993
.Dt RAND 3
.Nm rand ,
.Nm srand ,
.Nd bad random number generator
.Fd #include \*[Lt]stdlib.h\*[Gt]
.Fn srand "unsigned int seed"
.Fn rand void
.Fn rand_r "unsigned int *seed"
These interfaces are obsoleted by
.Xr random 3 .
function computes a sequence of pseudo-random integers in the range
of 0 to
(as defined by the header file
.Aq Pa stdlib.h ) .
function sets its argument as the seed for a new sequence of
pseudo-random numbers to be returned by
.Fn rand .
These sequences are repeatable by calling
with the same seed value.
If no seed value is provided, the
function is automatically seeded with a value of 1.
function is a reentrant interface to
.Fn rand ;
the seed has to be supplied and is maintained by the caller.
.Sh SEE ALSO
.Xr random 3
.St -ansiC .
function conforms to
.St -p1003.1c-95 .