Libc-1244.50.9.tar.gz

[apple/libc.git] / stdlib / FreeBSD / rand.3

diff --git a/stdlib/FreeBSD/rand.3 b/stdlib/FreeBSD/rand.3
index 66ed9d37e952c4ef0d367c1a777110577c9f1591..278a6820dd8c667bd7c9d659be88cfb38b325c95 100644 (file)
--- a/stdlib/FreeBSD/rand.3
+++ b/stdlib/FreeBSD/rand.3
@@ -13,10 +13,6 @@
 .\" 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.
@@ -34,33 +30,41 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)rand.3     8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/stdlib/rand.3,v 1.13 2002/12/18 12:45:10 ru Exp $
+.\" $FreeBSD: src/lib/libc/stdlib/rand.3,v 1.16 2007/01/09 00:28:10 imp Exp $
 .\"
 .Dd May 25, 1999
 .Dt RAND 3
 .Os
 .Sh NAME
 .Nm rand ,
+.Nm rand_r ,
 .Nm srand ,
-.Nm sranddev ,
-.Nm rand_r
+.Nm sranddev
 .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
+.Fo rand
+.Fa void
+.Fc
 .Ft int
-.Fn rand_r "unsigned *ctx"
+.Fo rand_r
+.Fa "unsigned *seed"
+.Fc
+.Ft void
+.Fo srand
+.Fa "unsigned seed"
+.Fc
+.Ft void
+.Fo sranddev
+.Fa void
+.Fc
 .Sh DESCRIPTION
 .Bf -symbolic
 These interfaces are obsoleted by
-.Xr random 3 .
+.Xr arc4random 3 .
 .Ef
 .Pp
 The
@@ -69,7 +73,7 @@ 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 ) .
+.In stdlib.h ) .
 .Pp
 The
 .Fn srand
@@ -89,10 +93,12 @@ seeded with a value of 1.
 .Pp
 The
 .Fn sranddev
-function initializes a seed using the
+function initializes a seed, using the
 .Xr random 4
-random number device which returns good random numbers,
-suitable for cryptographic use.
+random number device which returns good random numbers.
+However, the
+.Fn rand
+function still remains unsuitable for cryptographic use.
 .Pp
 The
 .Fn rand_r
@@ -100,9 +106,10 @@ function
 provides the same functionality as
 .Fn rand .
 A pointer to the context value
-.Fa ctx
+.Fa seed
 must be supplied by the caller.
 .Sh SEE ALSO
+.Xr arc4random 3 ,
 .Xr random 3 ,
 .Xr random 4
 .Sh STANDARDS