use Bx macro for BSD versions

36 files changed, 97 insertions, 60 deletions

diff --git a/lib/libc/gen/confstr.3 b/lib/libc/gen/confstr.3
index 3af74c4c41c..51c2954407c 100644
--- a/lib/libc/gen/confstr.3
+++ b/lib/libc/gen/confstr.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: confstr.3,v 1.3 1998/04/28 07:36:29 deraadt Exp $
+.\"	$OpenBSD: confstr.3,v 1.4 1998/06/15 17:54:53 mickey Exp $
 .\"
 .\" Copyright (c) 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -121,7 +121,8 @@ argument is invalid.
 .Sh HISTORY
 The
 .Nm confstr
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
 .Sh STANDARDS
 The
 .Nm confstr
diff --git a/lib/libc/gen/getgrouplist.3 b/lib/libc/gen/getgrouplist.3
index 13ae631a406..f1cef5eb76f 100644
--- a/lib/libc/gen/getgrouplist.3
+++ b/lib/libc/gen/getgrouplist.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getgrouplist.3,v 1.3 1996/08/19 08:23:30 tholo Exp $
+.\"	$OpenBSD: getgrouplist.3,v 1.4 1998/06/15 17:54:54 mickey Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -79,7 +79,8 @@ group membership list
 .Sh HISTORY
 The
 .Fn getgrouplist
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
 .Sh BUGS
 The
 .Fn getgrouplist
diff --git a/lib/libc/gen/getmntinfo.3 b/lib/libc/gen/getmntinfo.3
index 762d00194e4..1028ddbfca1 100644
--- a/lib/libc/gen/getmntinfo.3
+++ b/lib/libc/gen/getmntinfo.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getmntinfo.3,v 1.2 1996/08/19 08:23:43 tholo Exp $
+.\"	$OpenBSD: getmntinfo.3,v 1.3 1998/06/15 17:54:55 mickey Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -92,7 +92,8 @@ or
 .Sh HISTORY
 The
 .Fn getmntinfo
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
 .Sh BUGS
 The
 .Fn getmntinfo
diff --git a/lib/libc/gen/pwcache.3 b/lib/libc/gen/pwcache.3
index 2c7b0865662..3f2e7618a7a 100644
--- a/lib/libc/gen/pwcache.3
+++ b/lib/libc/gen/pwcache.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: pwcache.3,v 1.3 1996/08/19 08:25:26 tholo Exp $
+.\"	$OpenBSD: pwcache.3,v 1.4 1998/06/15 17:54:57 mickey Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -86,4 +86,5 @@ The
 .Fn user_from_uid
 and
 .Fn group_from_gid
-functions first appeared in 4.4BSD.
+functions first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/gen/setmode.3 b/lib/libc/gen/setmode.3
index 7c1babb5ec2..0fd7cb1b48c 100644
--- a/lib/libc/gen/setmode.3
+++ b/lib/libc/gen/setmode.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: setmode.3,v 1.3 1996/08/19 08:25:54 tholo Exp $
+.\"	$OpenBSD: setmode.3,v 1.4 1998/06/15 17:54:58 mickey Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -101,4 +101,5 @@ The
 .Fn getmode
 and
 .Fn setmode
-functions first appeared in 4.4BSD.
+functions first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/gen/sysconf.3 b/lib/libc/gen/sysconf.3
index 1bb9606077d..118e0290b39 100644
--- a/lib/libc/gen/sysconf.3
+++ b/lib/libc/gen/sysconf.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sysconf.3,v 1.4 1998/06/02 06:10:24 deraadt Exp $
+.\"	$OpenBSD: sysconf.3,v 1.5 1998/06/15 17:54:59 mickey Exp $
 .\"
 .\" Copyright (c) 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -185,4 +185,5 @@ function conforms to
 .Sh HISTORY
 The
 .Nm sysconf
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
index cb74ecc6fcf..a088a1ea59a 100644
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sysctl.3,v 1.10 1998/06/11 06:01:04 beck Exp $
+.\"	$OpenBSD: sysctl.3,v 1.11 1998/06/15 17:55:00 mickey Exp $
 .\"
 .\" Copyright (c) 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -719,4 +719,5 @@ definitions for fourth level UDP identifiers
 .Sh HISTORY
 The
 .Nm sysctl
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/gen/uname.3 b/lib/libc/gen/uname.3
index c1a74bd36a3..1bb1818a754 100644
--- a/lib/libc/gen/uname.3
+++ b/lib/libc/gen/uname.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: uname.3,v 1.3 1997/05/30 07:48:28 deraadt Exp $
+.\"	$OpenBSD: uname.3,v 1.4 1998/06/15 17:55:01 mickey Exp $
 .\"
 .\" Copyright (c) 1994
 .\"	The Regents of the University of California.  All rights reserved.
@@ -89,4 +89,5 @@ function conforms to
 .Sh HISTORY
 The
 .Nm uname
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/gen/unvis.3 b/lib/libc/gen/unvis.3
index 5931b7b5af5..32abbbacc93 100644
--- a/lib/libc/gen/unvis.3
+++ b/lib/libc/gen/unvis.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: unvis.3,v 1.3 1996/08/19 08:27:14 tholo Exp $
+.\"	$OpenBSD: unvis.3,v 1.4 1998/06/15 17:55:02 mickey Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -160,5 +160,5 @@ if (unvis(&out, (char)0, &state, UNVIS_END) == UNVIS_VALID)
 .Sh HISTORY
 The
 .Nm unvis
-function
-first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/gen/vis.3 b/lib/libc/gen/vis.3
index 8a4a68a2b0c..23207f8e076 100644
--- a/lib/libc/gen/vis.3
+++ b/lib/libc/gen/vis.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: vis.3,v 1.3 1996/08/19 08:27:34 tholo Exp $
+.\"	$OpenBSD: vis.3,v 1.4 1998/06/15 17:55:04 mickey Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -259,5 +259,6 @@ ambiguous and non-invertible.
 .Xr unvis 1 ,
 .Xr unvis 3
 .Sh HISTORY
-These functions first appeared in 4.4BSD.
+These functions first appeared in
+.Bx 4.4 .
 
diff --git a/lib/libc/regex/regex.3 b/lib/libc/regex/regex.3
index 8e3f48d6aa4..4e05c3d5b3b 100644
--- a/lib/libc/regex/regex.3
+++ b/lib/libc/regex/regex.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: regex.3,v 1.4 1997/07/29 02:29:08 flipk Exp $
+.\"	$OpenBSD: regex.3,v 1.5 1998/06/15 17:55:05 mickey Exp $
 .\"
 .\" Copyright (c) 1997, Phillip F Knaack. All rights reserved.
 .\"
@@ -513,7 +513,9 @@ invalid argument, e.g. negative-length string
 .El
 .Sh HISTORY
 Originally written by Henry Spencer.
-Altered for inclusion in the 4.4BSD distribution.
+Altered for inclusion in the
+.Bx 4.4
+distribution.
 .Sh BUGS
 This is an alpha release with known defects.
 Please report problems.
diff --git a/lib/libc/stdio/fgetln.3 b/lib/libc/stdio/fgetln.3
index 226cc4b9ef9..fcbcabb9c89 100644
--- a/lib/libc/stdio/fgetln.3
+++ b/lib/libc/stdio/fgetln.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: fgetln.3,v 1.2 1996/08/19 08:32:28 tholo Exp $
+.\"	$OpenBSD: fgetln.3,v 1.3 1998/06/15 17:54:49 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -120,4 +120,5 @@ or
 .Sh HISTORY
 The
 .Fn fgetln
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/stdio/funopen.3 b/lib/libc/stdio/funopen.3
index 47253d14467..4c4278c92db 100644
--- a/lib/libc/stdio/funopen.3
+++ b/lib/libc/stdio/funopen.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: funopen.3,v 1.5 1996/09/20 03:13:38 tholo Exp $
+.\"	$OpenBSD: funopen.3,v 1.6 1998/06/15 17:54:50 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -161,7 +161,8 @@ specified for the routine
 .Sh HISTORY
 The
 .Fn funopen
-functions first appeared in 4.4BSD.
+functions first appeared in
+.Bx 4.4 .
 .Sh BUGS
 The
 .Fn funopen
diff --git a/lib/libc/stdio/printf.3 b/lib/libc/stdio/printf.3
index 148fb1f6147..bae119cce12 100644
--- a/lib/libc/stdio/printf.3
+++ b/lib/libc/stdio/printf.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: printf.3,v 1.8 1998/03/07 21:53:30 millert Exp $
+.\"	$OpenBSD: printf.3,v 1.9 1998/06/15 17:54:48 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -636,7 +636,8 @@ The functions
 .Fn snprintf
 and
 .Fn vsnprintf
-are new to this release.
+first appeared in
+.Bx 4.4 .
 .Pp
 The functions
 .Fn asprintf
diff --git a/lib/libc/stdlib/getsubopt.3 b/lib/libc/stdlib/getsubopt.3
index 06e089203f1..8acc91bdd1b 100644
--- a/lib/libc/stdlib/getsubopt.3
+++ b/lib/libc/stdlib/getsubopt.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: getsubopt.3,v 1.1 1997/08/20 04:02:17 millert Exp $
+.\" $OpenBSD: getsubopt.3,v 1.2 1998/06/15 17:55:07 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -144,4 +144,5 @@ while ((ch = getopt(argc, argv, "ab:")) != \-1) {
 .Sh HISTORY
 The
 .Fn getsubopt
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/stdlib/radixsort.3 b/lib/libc/stdlib/radixsort.3
index 9b2ee2e35b8..8b0ea89a0ff 100644
--- a/lib/libc/stdlib/radixsort.3
+++ b/lib/libc/stdlib/radixsort.3
@@ -29,7 +29,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: radixsort.3,v 1.3 1997/01/19 19:47:01 millert Exp $
+.\"	$OpenBSD: radixsort.3,v 1.4 1998/06/15 17:55:08 mickey Exp $
 .\"
 .Dd January 27, 1994
 .Dt RADIXSORT 3
@@ -157,4 +157,5 @@ for any of the errors specified for the library routine
 .Sh HISTORY
 The
 .Fn radixsort
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/string/memccpy.3 b/lib/libc/string/memccpy.3
index 2fabd2f5eab..c2e15b1405d 100644
--- a/lib/libc/string/memccpy.3
+++ b/lib/libc/string/memccpy.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: memccpy.3,v 1.3 1997/08/20 04:09:39 millert Exp $
+.\" $OpenBSD: memccpy.3,v 1.4 1998/06/15 17:55:09 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -71,4 +71,5 @@ bytes are copied, and a NULL pointer is returned.
 .Sh HISTORY
 The
 .Fn memccpy
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/string/strcasecmp.3 b/lib/libc/string/strcasecmp.3
index e098ff4e413..52a13055ee5 100644
--- a/lib/libc/string/strcasecmp.3
+++ b/lib/libc/string/strcasecmp.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: strcasecmp.3,v 1.3 1997/08/20 04:13:56 millert Exp $
+.\" $OpenBSD: strcasecmp.3,v 1.4 1998/06/15 17:55:11 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -85,4 +85,5 @@ The
 .Fn strcasecmp
 and
 .Fn strncasecmp
-functions first appeared in 4.4BSD.
+functions first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/string/strdup.3 b/lib/libc/string/strdup.3
index 04ec042d00c..77bbb5a21b7 100644
--- a/lib/libc/string/strdup.3
+++ b/lib/libc/string/strdup.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: strdup.3,v 1.4 1997/08/20 04:18:51 millert Exp $
+.\" $OpenBSD: strdup.3,v 1.5 1998/06/15 17:55:12 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -64,4 +64,5 @@ If insufficient memory is available, NULL is returned.
 .Sh HISTORY
 The
 .Fn strdup
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/string/strmode.3 b/lib/libc/string/strmode.3
index 4dbbdd09573..3db953704d4 100644
--- a/lib/libc/string/strmode.3
+++ b/lib/libc/string/strmode.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: strmode.3,v 1.5 1998/05/04 02:00:05 deraadt Exp $
+.\" $OpenBSD: strmode.3,v 1.6 1998/06/15 17:55:13 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -148,4 +148,5 @@ always returns 0.
 .Sh HISTORY
 The
 .Fn strmode
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/string/strsep.3 b/lib/libc/string/strsep.3
index 471e693ecc9..5af262a074e 100644
--- a/lib/libc/string/strsep.3
+++ b/lib/libc/string/strsep.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: strsep.3,v 1.3 1997/08/20 04:28:13 millert Exp $
+.\" $OpenBSD: strsep.3,v 1.4 1998/06/15 17:55:14 mickey Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -106,4 +106,5 @@ two adjacent delimiter characters, or to be used for more than a single
 string at a time.
 The
 .Fn strsep
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/chflags.2 b/lib/libc/sys/chflags.2
index d370c4f9093..c509a824680 100644
--- a/lib/libc/sys/chflags.2
+++ b/lib/libc/sys/chflags.2
@@ -162,4 +162,5 @@ The
 .Fn chflags
 and
 .Nm fchflags
-functions first appeared in 4.4BSD.
+functions first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/getdirentries.2 b/lib/libc/sys/getdirentries.2
index e6cc24a50ab..d7ecb5de859 100644
--- a/lib/libc/sys/getdirentries.2
+++ b/lib/libc/sys/getdirentries.2
@@ -151,4 +151,5 @@ error occurred while reading from or writing to the file system.
 .Sh HISTORY
 The
 .Fn getdirentries
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/getfh.2 b/lib/libc/sys/getfh.2
index ff12795ad19..f2d84e3c124 100644
--- a/lib/libc/sys/getfh.2
+++ b/lib/libc/sys/getfh.2
@@ -95,4 +95,5 @@ error occurred while reading from or writing to the file system.
 The
 .Fn getfh
 function
-first appeared in 4.4BSD.
+first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/getfsstat.2 b/lib/libc/sys/getfsstat.2
index 67581d9f660..600d7564b94 100644
--- a/lib/libc/sys/getfsstat.2
+++ b/lib/libc/sys/getfsstat.2
@@ -133,4 +133,5 @@ error occurred while reading from or writing to the file system.
 .Sh HISTORY
 The
 .Fn getfsstat
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/getlogin.2 b/lib/libc/sys/getlogin.2
index ec55ef20ce2..c4508027171 100644
--- a/lib/libc/sys/getlogin.2
+++ b/lib/libc/sys/getlogin.2
@@ -125,4 +125,5 @@ Portable programs should probably still make this check.
 .Sh HISTORY
 The
 .Fn getlogin
-function first appeared in 4.2BSD.
+function first appeared in
+.Bx 4.2 .
diff --git a/lib/libc/sys/getpgrp.2 b/lib/libc/sys/getpgrp.2
index fe8a61d1eb5..1a685513dc0 100644
--- a/lib/libc/sys/getpgrp.2
+++ b/lib/libc/sys/getpgrp.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getpgrp.2,v 1.3 1998/02/03 23:35:04 deraadt Exp $
+.\"	$OpenBSD: getpgrp.2,v 1.4 1998/06/15 17:55:21 mickey Exp $
 .\"	$NetBSD: getpgrp.2,v 1.8 1995/02/27 12:33:09 cgd Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
@@ -101,7 +101,8 @@ From the
 .St -p1003.1-88
 Rationale:
 .sp
-4.3BSD provides a
+.Bx 4.3
+provides a
 .Fn getpgrp
 function that returns the process group ID for a specified process.
 Although this function is used to support job control, all known
@@ -109,6 +110,7 @@ job-control shells always specify the calling process with this
 function.
 Thus, the simpler System V
 .Fn getpgrp
-suffices, and the added complexity of the 4.3BSD
+suffices, and the added complexity of the
+.Bx 4.3
 .Fn getpgrp
 has been omitted from POSIX.1.
diff --git a/lib/libc/sys/madvise.2 b/lib/libc/sys/madvise.2
index ae72f991756..2be1c0b7c81 100644
--- a/lib/libc/sys/madvise.2
+++ b/lib/libc/sys/madvise.2
@@ -75,4 +75,5 @@ is set to indicate the error.
 .Sh HISTORY
 The
 .Nm madvise
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/mincore.2 b/lib/libc/sys/mincore.2
index 9aaa7083993..d94c320534c 100644
--- a/lib/libc/sys/mincore.2
+++ b/lib/libc/sys/mincore.2
@@ -70,4 +70,5 @@ is set to indicate the error.
 .Sh HISTORY
 The
 .Fn mincore
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/mlock.2 b/lib/libc/sys/mlock.2
index 2ba0af294d5..4ba32322ff2 100644
--- a/lib/libc/sys/mlock.2
+++ b/lib/libc/sys/mlock.2
@@ -162,4 +162,5 @@ The
 .Fn mlock
 and
 .Fn munlock
-functions first appeared in 4.4BSD.
+functions first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/mprotect.2 b/lib/libc/sys/mprotect.2
index 2c0662a75a5..a81b6d9264f 100644
--- a/lib/libc/sys/mprotect.2
+++ b/lib/libc/sys/mprotect.2
@@ -66,4 +66,5 @@ is set to indicate the error.
 .Sh HISTORY
 The
 .Fn mprotect
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/msync.2 b/lib/libc/sys/msync.2
index 8f038a8e32c..dc4872102f1 100644
--- a/lib/libc/sys/msync.2
+++ b/lib/libc/sys/msync.2
@@ -123,6 +123,7 @@ flag is specified.
 .Sh HISTORY
 The
 .Fn msync
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
 It was modified to conform to
 .St -p1003.1b-93
diff --git a/lib/libc/sys/munmap.2 b/lib/libc/sys/munmap.2
index 67e34c62fd1..76bcacb9475 100644
--- a/lib/libc/sys/munmap.2
+++ b/lib/libc/sys/munmap.2
@@ -79,4 +79,5 @@ valid address space.
 .Sh HISTORY
 The
 .Fn munmap
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/nfssvc.2 b/lib/libc/sys/nfssvc.2
index e9dc80a0b9a..17497251e16 100644
--- a/lib/libc/sys/nfssvc.2
+++ b/lib/libc/sys/nfssvc.2
@@ -231,7 +231,8 @@ The caller is not the super-user.
 .Sh HISTORY
 The
 .Nm nfssvc
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .
 .Sh BUGS
 The
 .Nm nfssvc
diff --git a/lib/libc/sys/pathconf.2 b/lib/libc/sys/pathconf.2
index a947bd1e341..fe0a338cb43 100644
--- a/lib/libc/sys/pathconf.2
+++ b/lib/libc/sys/pathconf.2
@@ -162,4 +162,5 @@ The
 .Nm pathconf
 and
 .Nm fpathconf
-functions first appeared in 4.4BSD.
+functions first appeared in
+.Bx 4.4 .
diff --git a/lib/libc/sys/statfs.2 b/lib/libc/sys/statfs.2
index 7cc8fd5df5c..533ea663b92 100644
--- a/lib/libc/sys/statfs.2
+++ b/lib/libc/sys/statfs.2
@@ -147,4 +147,5 @@ error occurred while reading from or writing to the file system.
 .Sh HISTORY
 The
 .Fn statfs
-function first appeared in 4.4BSD.
+function first appeared in
+.Bx 4.4 .