Complete the HISTORY of all syscalls that exist since Version 1 AT&T UNIX.

All facts from http://minnie.tuhs.org/cgi-bin/utree.pl, checked by sobrado@.
Feedback and ok jmc@ jmc@ (sic, Jason checked and ok'ed this twice).

9 files changed, 118 insertions, 25 deletions

diff --git a/lib/libc/stdlib/exit.3 b/lib/libc/stdlib/exit.3
index 45eae80a08e..e452d454a88 100644
--- a/lib/libc/stdlib/exit.3
+++ b/lib/libc/stdlib/exit.3
@@ -29,9 +29,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: exit.3,v 1.11 2007/05/31 19:19:31 jmc Exp $
+.\"	$OpenBSD: exit.3,v 1.12 2011/11/17 14:26:14 schwarze Exp $
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt EXIT 3
 .Os
 .Sh NAME
@@ -112,3 +112,12 @@ and
 .Fn _Exit
 functions conform to
 .St -ansiC-99 .
+.Sh HISTORY
+An
+.Fn exit
+function first appeared as a system call in
+.At v1 .
+In
+.At v7 ,
+the bare system call was renamed to
+.Xr _exit 2 .
diff --git a/lib/libc/sys/_exit.2 b/lib/libc/sys/_exit.2
index 1ebae3eed1f..3fb185ef68f 100644
--- a/lib/libc/sys/_exit.2
+++ b/lib/libc/sys/_exit.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: _exit.2,v 1.16 2007/05/31 19:19:32 jmc Exp $
+.\"	$OpenBSD: _exit.2,v 1.17 2011/11/17 14:26:14 schwarze Exp $
 .\"	$NetBSD: _exit.2,v 1.6 1995/02/27 12:31:34 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)_exit.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt _EXIT 2
 .Os
 .Sh NAME
@@ -102,7 +102,6 @@ can never return.
 .Xr intro 2 ,
 .Xr sigaction 2 ,
 .Xr wait 2 ,
-.Xr _Exit 3 ,
 .Xr exit 3 ,
 .Xr sysexits 3
 .Sh STANDARDS
@@ -110,3 +109,12 @@ The
 .Fn _exit
 function is defined by
 .St -p1003.1-88 .
+.Sh HISTORY
+An
+.Fn exit
+system call first appeared in
+.At v1 ,
+and an
+.Fn _exit
+variant in
+.At v7 .
diff --git a/lib/libc/sys/getuid.2 b/lib/libc/sys/getuid.2
index 720f0d9b1c4..0e4bdf635c1 100644
--- a/lib/libc/sys/getuid.2
+++ b/lib/libc/sys/getuid.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getuid.2,v 1.13 2008/08/04 07:08:23 jmc Exp $
+.\"	$OpenBSD: getuid.2,v 1.14 2011/11/17 14:26:14 schwarze Exp $
 .\"	$NetBSD: getuid.2,v 1.6 1995/02/27 12:33:37 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)getuid.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: August 4 2008 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt GETUID 2
 .Os
 .Sh NAME
@@ -79,3 +79,12 @@ and
 .Fn geteuid
 functions conform to
 .St -p1003.1-88 .
+.Sh HISTORY
+The
+.Fn getuid
+system call first appeared in
+.At v1 ,
+and
+.Fn geteuid
+in
+.At v7 .
diff --git a/lib/libc/sys/link.2 b/lib/libc/sys/link.2
index e0c765a8073..7ebc3a83079 100644
--- a/lib/libc/sys/link.2
+++ b/lib/libc/sys/link.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: link.2,v 1.21 2011/07/24 06:54:44 matthew Exp $
+.\"	$OpenBSD: link.2,v 1.22 2011/11/17 14:26:14 schwarze Exp $
 .\"	$NetBSD: link.2,v 1.7 1995/02/27 12:34:01 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)link.2	8.3 (Berkeley) 1/12/94
 .\"
-.Dd $Mdocdate: July 24 2011 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt LINK 2
 .Os
 .Sh NAME
@@ -241,6 +241,10 @@ functions are expected to conform to
 .St -p1003.1-2008 .
 .Sh HISTORY
 The
+.Fn link
+system call first appeared in
+.At v1 .
+The
 .Fn linkat
 function appeared in
 .Ox 5.0 .
diff --git a/lib/libc/sys/mkdir.2 b/lib/libc/sys/mkdir.2
index 177621d40dd..40dacbf039e 100644
--- a/lib/libc/sys/mkdir.2
+++ b/lib/libc/sys/mkdir.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mkdir.2,v 1.10 2011/07/18 23:04:40 matthew Exp $
+.\"	$OpenBSD: mkdir.2,v 1.11 2011/11/17 14:26:14 schwarze Exp $
 .\"	$NetBSD: mkdir.2,v 1.8 1995/02/27 12:34:22 cgd Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)mkdir.2	8.2 (Berkeley) 12/11/93
 .\"
-.Dd $Mdocdate: July 18 2011 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt MKDIR 2
 .Os
 .Sh NAME
@@ -157,6 +157,10 @@ functions conform to
 .St -p1003.1-2008 .
 .Sh HISTORY
 The
+.Fn mkdir
+system call first appeared in
+.At v1 .
+The
 .Fn mkdirat
 function appeared in
 .Ox 5.0 .
diff --git a/lib/libc/sys/mount.2 b/lib/libc/sys/mount.2
index 35d77da1967..28c404a0e88 100644
--- a/lib/libc/sys/mount.2
+++ b/lib/libc/sys/mount.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mount.2,v 1.39 2011/11/06 12:07:42 deraadt Exp $
+.\"	$OpenBSD: mount.2,v 1.40 2011/11/17 14:26:14 schwarze Exp $
 .\"	$NetBSD: mount.2,v 1.12 1996/02/29 23:47:48 jtc Exp $
 .\"
 .\" Copyright (c) 1980, 1989, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)mount.2	8.2 (Berkeley) 12/11/93
 .\"
-.Dd $Mdocdate: November 6 2011 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt MOUNT 2
 .Os
 .Sh NAME
@@ -399,10 +399,28 @@ points outside the process's allocated address space.
 .Xr mount 8 ,
 .Xr umount 8
 .Sh HISTORY
+The
 .Fn mount
 and
 .Fn unmount
-function calls appeared in
-.At v6 .
+system calls first appeared in
+.At v1 .
+The
+.Fa flags
+argument is supported by
+.Fn mount
+since
+.At v5
+and by
+.Fn unmount
+since
+.Bx 4.3 Reno .
+The current calling convention involving
+.Fa type
+and
+.Fa data
+arguments was introduced by
+.Bx 4.3 Reno
+as well.
 .Sh BUGS
 Some of the error codes need translation to more obvious messages.
diff --git a/lib/libc/sys/stat.2 b/lib/libc/sys/stat.2
index 90c7e0649e2..9cc3eb7b43a 100644
--- a/lib/libc/sys/stat.2
+++ b/lib/libc/sys/stat.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: stat.2,v 1.30 2011/07/19 20:58:05 matthew Exp $
+.\"	$OpenBSD: stat.2,v 1.31 2011/11/17 14:26:14 schwarze Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993, 1994
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)stat.2	8.3 (Berkeley) 4/19/94
 .\"
-.Dd $Mdocdate: July 19 2011 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt STAT 2
 .Os
 .Sh NAME
@@ -381,10 +381,19 @@ and
 function calls are expected to conform to
 .St -p1003.1-88 .
 .Sh HISTORY
-A
+The
 .Fn stat
-function appeared in
-.At v2 .
+and
+.Fn fstat
+system calls first appeared in
+.At v1 .
+The
+.In sys/stat.h
+header file and the
+.Vt "struct stat"
+were introduced in
+.At v7 .
+.Pp
 An
 .Fn lstat
 function call appeared in
diff --git a/lib/libc/sys/utimes.2 b/lib/libc/sys/utimes.2
index 7ca7fd716d7..a30cd617992 100644
--- a/lib/libc/sys/utimes.2
+++ b/lib/libc/sys/utimes.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: utimes.2,v 1.16 2011/07/19 20:58:05 matthew Exp $
+.\"	$OpenBSD: utimes.2,v 1.17 2011/11/17 14:26:14 schwarze Exp $
 .\"	$NetBSD: utimes.2,v 1.9 1996/04/23 10:34:16 mycroft Exp $
 .\"
 .\" Copyright (c) 1990, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)utimes.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: July 19 2011 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt UTIMES 2
 .Os
 .Sh NAME
@@ -246,6 +246,22 @@ and
 functions conform to
 .St -p1003.1-2008 .
 .Sh HISTORY
+The predecessors of
+.Fn utimes
+were
+.Fn smdate
+in
+.At v1 ,
+.Fn mdate
+in
+.At v3 ,
+and
+.Fn utime
+in
+.At v7 ;
+the latter first supported the concept of an access time
+in addition to the modification time.
+.Pp
 The
 .Fn utimes
 function call appeared in
diff --git a/lib/libc/sys/wait.2 b/lib/libc/sys/wait.2
index 24a0897409d..3b20f19b043 100644
--- a/lib/libc/sys/wait.2
+++ b/lib/libc/sys/wait.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: wait.2,v 1.21 2007/05/31 19:19:34 jmc Exp $
+.\"	$OpenBSD: wait.2,v 1.22 2011/11/17 14:26:14 schwarze Exp $
 .\"	$NetBSD: wait.2,v 1.6 1995/02/27 12:39:37 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993, 1994
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)wait.2	8.2 (Berkeley) 4/19/94
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: November 17 2011 $
 .Dt WAIT 2
 .Os
 .Sh NAME
@@ -299,5 +299,21 @@ call are extensions to the POSIX interface.
 .Sh HISTORY
 A
 .Fn wait
-function call appeared in
+system call first appeared in
+.At v1 .
+The
+.Fa status
+argument is accepted since
 .At v2 .
+A
+.Fn wait3
+system call first appeared in
+.Bx 4 ,
+but the final calling convention was only established in
+.Bx 4.2 .
+The
+.Fn wait4
+and
+.Fn waitpid
+function calls first appeared in
+.Bx 4.3 Reno .