Update STANDARDS section for a few <stdlib.h> functions

Update SYNOPSIS for setkey() to show it's in <stdlib.h>
ok jmc@, millert@

src/lib/libc/crypt/crypt.3

@@ -1,4 +1,4 @@
-.\" $OpenBSD: crypt.3,v 1.27 2007/10/08 11:55:27 pyr Exp $
+.\" $OpenBSD: crypt.3,v 1.28 2012/06/02 00:14:16 guenther Exp $
 .\"
 .\" FreeSec: libcrypt
 .\"
@@ -31,7 +31,7 @@
 .\"
 .\" Manual page, using -mandoc macros
 .\"
-.Dd $Mdocdate: October 8 2007 $
+.Dd $Mdocdate: June 2 2012 $
 .Dt CRYPT 3
 .Os
 .Sh NAME
@@ -45,13 +45,14 @@
 .Nm md5crypt
 .Nd DES encryption
 .Sh SYNOPSIS
-.Fd #include <pwd.h>
+.Fd #include <stdlib.h>
+.Ft int
+.Fn setkey "const char *key"
+.Pp
 .Fd #include <unistd.h>
 .Ft char *
 .Fn crypt "const char *key" "const char *setting"
 .Ft int
-.Fn setkey "const char *key"
-.Ft int
 .Fn encrypt "char *block" "int flag"
 .Ft int
 .Fn des_setkey "const char *key"

src/lib/libc/stdlib/getenv.3

@@ -29,9 +29,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: getenv.3,v 1.16 2011/04/27 13:40:15 otto Exp $
+.\"	$OpenBSD: getenv.3,v 1.17 2012/06/02 00:14:16 guenther Exp $
 .\"
-.Dd $Mdocdate: April 27 2011 $
+.Dd $Mdocdate: June 2 2012 $
 .Dt GETENV 3
 .Os
 .Sh NAME
@@ -161,6 +161,13 @@ The
 .Fn getenv
 function conforms to
 .St -ansiC .
+The
+.Fn putenv ,
+.Fn setenv ,
+and
+.Fn unsetenv
+functions conform to
+.St -p1003.1-2008 .
 .Sh HISTORY
 The function
 .Fn getenv

src/lib/libc/stdlib/rand.3

@@ -29,9 +29,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: rand.3,v 1.10 2007/05/31 19:19:31 jmc Exp $
+.\"	$OpenBSD: rand.3,v 1.11 2012/06/02 00:14:16 guenther Exp $
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: June 2 2012 $
 .Dt RAND 3
 .Os
 .Sh NAME
@@ -93,6 +93,5 @@ functions conform to
 .Pp
 The
 .Fn rand_r
-function conforms to ISO/IEC 9945-1 ANSI/IEEE
-.Pq Dq Tn POSIX
-Std 1003.1c Draft 10.
+function conforms to
+.St -p1003.1-2008 .

src/lib/libc/stdlib/rand48.3

@@ -9,9 +9,9 @@
 .\" of any kind. I shall in no event be liable for anything that happens
 .\" to anyone/anything when using this software.
 .\"
-.\"	$OpenBSD: rand48.3,v 1.11 2007/05/31 19:19:31 jmc Exp $
+.\"	$OpenBSD: rand48.3,v 1.12 2012/06/02 00:14:16 guenther Exp $
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: June 2 2012 $
 .Dt RAND48 3
 .Os
 .Sh NAME
@@ -161,5 +161,19 @@ For a more powerful random number generator, see
 .Xr arc4random 3 ,
 .Xr rand 3 ,
 .Xr random 3
+.Sh STANDARDS
+The
+.Fn drand48 ,
+.Fn erand48 ,
+.Fn jrand48 ,
+.Fn lcong48 ,
+.Fn lrand48 ,
+.Fn mrand48 ,
+.Fn nrand48 ,
+.Fn seed48 ,
+and
+.Fn srand48
+functions conform to
+.St -p1003.1-2008 .
 .Sh AUTHORS
 Martin Birgmeier