[src/trunk]: src/lib/libc/sys Mention that mmap(2) was designed for 4.2BSD, b...

[rmind <rmind%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/25cd8141ee32
branches:  trunk
changeset: 770406:25cd8141ee32
user:      rmind <rmind%NetBSD.org@localhost>
date:      Sat Oct 15 21:39:35 2011 +0000

description:
Mention that mmap(2) was designed for 4.2BSD, but really appeared in 4.4BSD.

diffstat:

 lib/libc/sys/mmap.2 |  16 ++++++++++++++--
 1 files changed, 14 insertions(+), 2 deletions(-)

diffs (34 lines):

diff -r 091f79272c0c -r 25cd8141ee32 lib/libc/sys/mmap.2
--- a/lib/libc/sys/mmap.2       Sat Oct 15 21:35:49 2011 +0000
+++ b/lib/libc/sys/mmap.2       Sat Oct 15 21:39:35 2011 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: mmap.2,v 1.42 2011/03/31 07:52:34 jruoho Exp $
+.\"    $NetBSD: mmap.2,v 1.43 2011/10/15 21:39:35 rmind Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"    @(#)mmap.2      8.4 (Berkeley) 5/11/95
 .\"
-.Dd March 31, 2011
+.Dd October 15, 2011
 .Dt MMAP 2
 .Os
 .Sh NAME
@@ -287,3 +287,15 @@
 .Xr munmap 2 ,
 .Xr getpagesize 3 ,
 .Xr sysconf 3
+.Sh STANDARDS
+The
+.Fn mmap
+function conforms to
+.St -p1003.1b-93 .
+.Sh HISTORY
+The
+.Fn mmap
+interface was first designed in
+.Bx 4.2 ,
+however the function first appeared in
+.Bx 4.4 .