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-rw-r--r--lib/libalias/libalias.32
-rw-r--r--lib/libc/compat-43/creat.22
-rw-r--r--lib/libc/compat-43/gethostid.32
-rw-r--r--lib/libc/compat-43/killpg.22
-rw-r--r--lib/libc/compat-43/setruid.32
-rw-r--r--lib/libc/compat-43/sigpause.22
-rw-r--r--lib/libc/compat-43/sigsetmask.22
-rw-r--r--lib/libc/compat-43/sigvec.22
-rw-r--r--lib/libc/gen/alarm.32
-rw-r--r--lib/libc/gen/confstr.32
-rw-r--r--lib/libc/gen/devname.32
-rw-r--r--lib/libc/gen/directory.32
-rw-r--r--lib/libc/gen/dladdr.32
-rw-r--r--lib/libc/gen/dllockinit.32
-rw-r--r--lib/libc/gen/dlopen.32
-rw-r--r--lib/libc/gen/err.32
-rw-r--r--lib/libc/gen/getbsize.32
-rw-r--r--lib/libc/gen/getcwd.32
-rw-r--r--lib/libc/gen/getdiskbyname.32
-rw-r--r--lib/libc/gen/getdomainname.32
-rw-r--r--lib/libc/gen/getfsent.32
-rw-r--r--lib/libc/gen/gethostname.32
-rw-r--r--lib/libc/gen/getobjformat.32
-rw-r--r--lib/libc/gen/getpagesize.32
-rw-r--r--lib/libc/gen/getttyent.32
-rw-r--r--lib/libc/gen/initgroups.32
-rw-r--r--lib/libc/gen/lockf.32
-rw-r--r--lib/libc/gen/msgctl.32
-rw-r--r--lib/libc/gen/msgget.32
-rw-r--r--lib/libc/gen/msgrcv.32
-rw-r--r--lib/libc/gen/msgsnd.32
-rw-r--r--lib/libc/gen/nice.32
-rw-r--r--lib/libc/gen/nlist.32
-rw-r--r--lib/libc/gen/pause.32
-rw-r--r--lib/libc/gen/psignal.32
-rw-r--r--lib/libc/gen/rand48.32
-rw-r--r--lib/libc/gen/scandir.32
-rw-r--r--lib/libc/gen/setjmp.32
-rw-r--r--lib/libc/gen/setproctitle.32
-rw-r--r--lib/libc/gen/siginterrupt.32
-rw-r--r--lib/libc/gen/signal.32
-rw-r--r--lib/libc/gen/stringlist.32
-rw-r--r--lib/libc/gen/sysconf.32
-rw-r--r--lib/libc/gen/syslog.32
-rw-r--r--lib/libc/gen/time.32
-rw-r--r--lib/libc/gen/times.32
-rw-r--r--lib/libc/gen/ualarm.32
-rw-r--r--lib/libc/gen/usleep.32
-rw-r--r--lib/libc/gen/utime.32
-rw-r--r--lib/libc/gen/valloc.32
-rw-r--r--lib/libc/gmon/moncontrol.32
-rw-r--r--lib/libc/i386/sys/i386_get_ldt.22
-rw-r--r--lib/libc/net/byteorder.32
-rw-r--r--lib/libc/net/ethers.32
-rw-r--r--lib/libc/net/gethostbyname.32
-rw-r--r--lib/libc/net/getnetent.32
-rw-r--r--lib/libc/net/getprotoent.32
-rw-r--r--lib/libc/net/getservent.32
-rw-r--r--lib/libc/net/inet.32
-rw-r--r--lib/libc/net/linkaddr.32
-rw-r--r--lib/libc/net/ns.32
-rw-r--r--lib/libc/net/rcmd.32
-rw-r--r--lib/libc/net/resolver.32
-rw-r--r--lib/libc/posix1e/acl.32
-rw-r--r--lib/libc/posix1e/acl_delete.32
-rw-r--r--lib/libc/posix1e/acl_dup.32
-rw-r--r--lib/libc/posix1e/acl_free.32
-rw-r--r--lib/libc/posix1e/acl_from_text.32
-rw-r--r--lib/libc/posix1e/acl_get.32
-rw-r--r--lib/libc/posix1e/acl_init.32
-rw-r--r--lib/libc/posix1e/acl_set.32
-rw-r--r--lib/libc/posix1e/acl_to_text.32
-rw-r--r--lib/libc/posix1e/acl_valid.32
-rw-r--r--lib/libc/posix1e/cap.32
-rw-r--r--lib/libc/posix1e/cap_clear.32
-rw-r--r--lib/libc/posix1e/cap_dup.32
-rw-r--r--lib/libc/posix1e/cap_free.32
-rw-r--r--lib/libc/posix1e/cap_from_text.32
-rw-r--r--lib/libc/posix1e/cap_get_flag.32
-rw-r--r--lib/libc/posix1e/cap_get_proc.32
-rw-r--r--lib/libc/posix1e/cap_init.32
-rw-r--r--lib/libc/posix1e/cap_set_flag.32
-rw-r--r--lib/libc/posix1e/cap_set_proc.32
-rw-r--r--lib/libc/posix1e/cap_to_text.32
-rw-r--r--lib/libc/posix1e/posix1e.32
-rw-r--r--lib/libc/stdio/setbuf.32
-rw-r--r--lib/libc/stdio/stdio.32
-rw-r--r--lib/libc/stdlib/alloca.32
-rw-r--r--lib/libc/stdlib/getopt.32
-rw-r--r--lib/libc/stdlib/malloc.32
-rw-r--r--lib/libc/stdlib/memory.32
-rw-r--r--lib/libc/stdlib/random.32
-rw-r--r--lib/libc/stdtime/ctime.32
-rw-r--r--lib/libc/stdtime/tzfile.52
-rw-r--r--lib/libc/string/bcmp.32
-rw-r--r--lib/libc/string/bcopy.32
-rw-r--r--lib/libc/string/bzero.32
-rw-r--r--lib/libc/string/strcpy.32
-rw-r--r--lib/libc/string/strerror.32
-rw-r--r--lib/libc/string/string.32
-rw-r--r--lib/libc/string/strtok.32
-rw-r--r--lib/libc/sys/_exit.22
-rw-r--r--lib/libc/sys/accept.22
-rw-r--r--lib/libc/sys/access.22
-rw-r--r--lib/libc/sys/acct.22
-rw-r--r--lib/libc/sys/adjtime.22
-rw-r--r--lib/libc/sys/bind.22
-rw-r--r--lib/libc/sys/brk.22
-rw-r--r--lib/libc/sys/chdir.22
-rw-r--r--lib/libc/sys/chmod.22
-rw-r--r--lib/libc/sys/chown.22
-rw-r--r--lib/libc/sys/chroot.22
-rw-r--r--lib/libc/sys/clock_gettime.22
-rw-r--r--lib/libc/sys/close.22
-rw-r--r--lib/libc/sys/connect.22
-rw-r--r--lib/libc/sys/dup.22
-rw-r--r--lib/libc/sys/execve.22
-rw-r--r--lib/libc/sys/fcntl.22
-rw-r--r--lib/libc/sys/flock.22
-rw-r--r--lib/libc/sys/fork.22
-rw-r--r--lib/libc/sys/fsync.22
-rw-r--r--lib/libc/sys/getdtablesize.22
-rw-r--r--lib/libc/sys/getgid.22
-rw-r--r--lib/libc/sys/getgroups.22
-rw-r--r--lib/libc/sys/getitimer.22
-rw-r--r--lib/libc/sys/getlogin.22
-rw-r--r--lib/libc/sys/getpeername.22
-rw-r--r--lib/libc/sys/getpgrp.22
-rw-r--r--lib/libc/sys/getpid.22
-rw-r--r--lib/libc/sys/getpriority.22
-rw-r--r--lib/libc/sys/getrlimit.22
-rw-r--r--lib/libc/sys/getrusage.22
-rw-r--r--lib/libc/sys/getsid.22
-rw-r--r--lib/libc/sys/getsockname.22
-rw-r--r--lib/libc/sys/getsockopt.22
-rw-r--r--lib/libc/sys/gettimeofday.22
-rw-r--r--lib/libc/sys/getuid.22
-rw-r--r--lib/libc/sys/intro.22
-rw-r--r--lib/libc/sys/ioctl.22
-rw-r--r--lib/libc/sys/jail.22
-rw-r--r--lib/libc/sys/kill.22
-rw-r--r--lib/libc/sys/kldfind.22
-rw-r--r--lib/libc/sys/kldfirstmod.22
-rw-r--r--lib/libc/sys/kldload.22
-rw-r--r--lib/libc/sys/kldnext.22
-rw-r--r--lib/libc/sys/kldstat.22
-rw-r--r--lib/libc/sys/kldunload.22
-rw-r--r--lib/libc/sys/ktrace.22
-rw-r--r--lib/libc/sys/link.22
-rw-r--r--lib/libc/sys/listen.22
-rw-r--r--lib/libc/sys/lseek.22
-rw-r--r--lib/libc/sys/mkdir.22
-rw-r--r--lib/libc/sys/mknod.22
-rw-r--r--lib/libc/sys/mmap.22
-rw-r--r--lib/libc/sys/modfind.22
-rw-r--r--lib/libc/sys/modnext.22
-rw-r--r--lib/libc/sys/mount.22
-rw-r--r--lib/libc/sys/nanosleep.22
-rw-r--r--lib/libc/sys/open.22
-rw-r--r--lib/libc/sys/pathconf.22
-rw-r--r--lib/libc/sys/pipe.22
-rw-r--r--lib/libc/sys/ptrace.22
-rw-r--r--lib/libc/sys/read.22
-rw-r--r--lib/libc/sys/readlink.22
-rw-r--r--lib/libc/sys/reboot.22
-rw-r--r--lib/libc/sys/recv.22
-rw-r--r--lib/libc/sys/rename.22
-rw-r--r--lib/libc/sys/rmdir.22
-rw-r--r--lib/libc/sys/rtprio.22
-rw-r--r--lib/libc/sys/sched_get_priority_max.22
-rw-r--r--lib/libc/sys/sched_setparam.22
-rw-r--r--lib/libc/sys/sched_setscheduler.22
-rw-r--r--lib/libc/sys/sched_yield.22
-rw-r--r--lib/libc/sys/select.22
-rw-r--r--lib/libc/sys/semctl.22
-rw-r--r--lib/libc/sys/semget.22
-rw-r--r--lib/libc/sys/semop.22
-rw-r--r--lib/libc/sys/send.22
-rw-r--r--lib/libc/sys/setgroups.22
-rw-r--r--lib/libc/sys/setpgid.22
-rw-r--r--lib/libc/sys/setregid.22
-rw-r--r--lib/libc/sys/setreuid.22
-rw-r--r--lib/libc/sys/setuid.22
-rw-r--r--lib/libc/sys/shmat.22
-rw-r--r--lib/libc/sys/shmctl.22
-rw-r--r--lib/libc/sys/shmget.22
-rw-r--r--lib/libc/sys/sigaltstack.22
-rw-r--r--lib/libc/sys/sigreturn.22
-rw-r--r--lib/libc/sys/sigstack.22
-rw-r--r--lib/libc/sys/socket.22
-rw-r--r--lib/libc/sys/socketpair.22
-rw-r--r--lib/libc/sys/stat.22
-rw-r--r--lib/libc/sys/swapon.22
-rw-r--r--lib/libc/sys/symlink.22
-rw-r--r--lib/libc/sys/sync.22
-rw-r--r--lib/libc/sys/syscall.22
-rw-r--r--lib/libc/sys/truncate.22
-rw-r--r--lib/libc/sys/umask.22
-rw-r--r--lib/libc/sys/undelete.22
-rw-r--r--lib/libc/sys/unlink.22
-rw-r--r--lib/libc/sys/vfork.22
-rw-r--r--lib/libc/sys/wait.22
-rw-r--r--lib/libc/sys/write.22
-rw-r--r--lib/libc_r/man/pthread_cleanup_pop.32
-rw-r--r--lib/libc_r/man/pthread_cleanup_push.32
-rw-r--r--lib/libc_r/man/pthread_cond_broadcast.32
-rw-r--r--lib/libc_r/man/pthread_cond_destroy.32
-rw-r--r--lib/libc_r/man/pthread_cond_init.32
-rw-r--r--lib/libc_r/man/pthread_cond_signal.32
-rw-r--r--lib/libc_r/man/pthread_cond_timedwait.32
-rw-r--r--lib/libc_r/man/pthread_cond_wait.32
-rw-r--r--lib/libc_r/man/pthread_create.32
-rw-r--r--lib/libc_r/man/pthread_detach.32
-rw-r--r--lib/libc_r/man/pthread_equal.32
-rw-r--r--lib/libc_r/man/pthread_exit.32
-rw-r--r--lib/libc_r/man/pthread_getspecific.32
-rw-r--r--lib/libc_r/man/pthread_join.32
-rw-r--r--lib/libc_r/man/pthread_key_create.32
-rw-r--r--lib/libc_r/man/pthread_key_delete.32
-rw-r--r--lib/libc_r/man/pthread_mutex_destroy.32
-rw-r--r--lib/libc_r/man/pthread_mutex_init.32
-rw-r--r--lib/libc_r/man/pthread_mutex_lock.32
-rw-r--r--lib/libc_r/man/pthread_mutex_trylock.32
-rw-r--r--lib/libc_r/man/pthread_mutex_unlock.32
-rw-r--r--lib/libc_r/man/pthread_once.32
-rw-r--r--lib/libc_r/man/pthread_self.32
-rw-r--r--lib/libc_r/man/pthread_setspecific.32
-rw-r--r--lib/libcam/cam.32
-rw-r--r--lib/libcam/cam_cdbparse.32
-rw-r--r--lib/libcompat/4.1/ftime.32
-rw-r--r--lib/libcompat/4.1/stty.32
-rw-r--r--lib/libcompat/4.3/insque.32
-rw-r--r--lib/libcompat/4.3/rexec.32
-rw-r--r--lib/libcrypt/crypt.32
-rw-r--r--lib/libdevstat/devstat.32
-rw-r--r--lib/libedit/editline.32
-rw-r--r--lib/libedit/editrc.52
-rw-r--r--lib/libipx/ipx.32
-rw-r--r--lib/libm/common_source/acosh.32
-rw-r--r--lib/libm/common_source/asinh.32
-rw-r--r--lib/libm/common_source/atanh.32
-rw-r--r--lib/libm/common_source/erf.32
-rw-r--r--lib/libm/common_source/exp.32
-rw-r--r--lib/libm/common_source/hypot.32
-rw-r--r--lib/libm/common_source/ieee.32
-rw-r--r--lib/libm/common_source/infnan.32
-rw-r--r--lib/libm/common_source/j0.32
-rw-r--r--lib/libm/common_source/lgamma.32
-rw-r--r--lib/libmd/mdX.32
-rw-r--r--lib/libmd/ripemd.32
-rw-r--r--lib/libmd/sha.32
-rw-r--r--lib/libnetgraph/netgraph.32
-rw-r--r--lib/libpam/modules/pam_radius/pam_radius.82
-rw-r--r--lib/libpthread/man/pthread_cleanup_pop.32
-rw-r--r--lib/libpthread/man/pthread_cleanup_push.32
-rw-r--r--lib/libpthread/man/pthread_cond_broadcast.32
-rw-r--r--lib/libpthread/man/pthread_cond_destroy.32
-rw-r--r--lib/libpthread/man/pthread_cond_init.32
-rw-r--r--lib/libpthread/man/pthread_cond_signal.32
-rw-r--r--lib/libpthread/man/pthread_cond_timedwait.32
-rw-r--r--lib/libpthread/man/pthread_cond_wait.32
-rw-r--r--lib/libpthread/man/pthread_create.32
-rw-r--r--lib/libpthread/man/pthread_detach.32
-rw-r--r--lib/libpthread/man/pthread_equal.32
-rw-r--r--lib/libpthread/man/pthread_exit.32
-rw-r--r--lib/libpthread/man/pthread_getspecific.32
-rw-r--r--lib/libpthread/man/pthread_join.32
-rw-r--r--lib/libpthread/man/pthread_key_create.32
-rw-r--r--lib/libpthread/man/pthread_key_delete.32
-rw-r--r--lib/libpthread/man/pthread_mutex_destroy.32
-rw-r--r--lib/libpthread/man/pthread_mutex_init.32
-rw-r--r--lib/libpthread/man/pthread_mutex_lock.32
-rw-r--r--lib/libpthread/man/pthread_mutex_trylock.32
-rw-r--r--lib/libpthread/man/pthread_mutex_unlock.32
-rw-r--r--lib/libpthread/man/pthread_once.32
-rw-r--r--lib/libpthread/man/pthread_self.32
-rw-r--r--lib/libpthread/man/pthread_setspecific.32
-rw-r--r--lib/libradius/libradius.32
-rw-r--r--lib/libradius/radius.conf.52
-rw-r--r--lib/libstand/libstand.32
-rw-r--r--lib/libtacplus/libtacplus.32
-rw-r--r--lib/libtacplus/tacplus.conf.52
-rw-r--r--lib/libutil/_secure_path.32
-rw-r--r--lib/libutil/auth.conf.52
-rw-r--r--lib/libutil/login.conf.52
-rw-r--r--lib/libutil/login_auth.32
-rw-r--r--lib/libutil/login_cap.32
-rw-r--r--lib/libutil/login_class.32
-rw-r--r--lib/libutil/login_ok.32
-rw-r--r--lib/libutil/login_times.32
-rw-r--r--lib/libvgl/vgl.32
-rw-r--r--lib/msun/man/acosh.32
-rw-r--r--lib/msun/man/asinh.32
-rw-r--r--lib/msun/man/atanh.32
-rw-r--r--lib/msun/man/erf.32
-rw-r--r--lib/msun/man/exp.32
-rw-r--r--lib/msun/man/hypot.32
-rw-r--r--lib/msun/man/ieee_test.32
-rw-r--r--lib/msun/man/j0.32
-rw-r--r--lib/msun/man/lgamma.32
300 files changed, 300 insertions, 300 deletions
diff --git a/lib/libalias/libalias.3 b/lib/libalias/libalias.3
index 995d965dac58..e8bdefdfc489 100644
--- a/lib/libalias/libalias.3
+++ b/lib/libalias/libalias.3
@@ -27,7 +27,7 @@
.\"
.Dd April 13, 2000
.Dt LIBALIAS 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm libalias
.Nd packet aliasing library for masquerading and network address translation
diff --git a/lib/libc/compat-43/creat.2 b/lib/libc/compat-43/creat.2
index 1ec50b0d4347..334fc01de4dc 100644
--- a/lib/libc/compat-43/creat.2
+++ b/lib/libc/compat-43/creat.2
@@ -34,7 +34,7 @@
.\"
.Dd June 2, 1993
.Dt CREAT 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm creat
.Nd create a new file
diff --git a/lib/libc/compat-43/gethostid.3 b/lib/libc/compat-43/gethostid.3
index 156b4256f302..837cecf9bbae 100644
--- a/lib/libc/compat-43/gethostid.3
+++ b/lib/libc/compat-43/gethostid.3
@@ -34,7 +34,7 @@
.\"
.Dd June 2, 1993
.Dt GETHOSTID 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm gethostid ,
.Nm sethostid
diff --git a/lib/libc/compat-43/killpg.2 b/lib/libc/compat-43/killpg.2
index 68e5e18f01a9..c8c218caa407 100644
--- a/lib/libc/compat-43/killpg.2
+++ b/lib/libc/compat-43/killpg.2
@@ -34,7 +34,7 @@
.\"
.Dd June 2, 1993
.Dt KILLPG 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm killpg
.Nd send signal to a process group
diff --git a/lib/libc/compat-43/setruid.3 b/lib/libc/compat-43/setruid.3
index 3c485276e9a8..7c87821e6653 100644
--- a/lib/libc/compat-43/setruid.3
+++ b/lib/libc/compat-43/setruid.3
@@ -34,7 +34,7 @@
.\"
.Dd June 2, 1993
.Dt SETRUID 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm setruid ,
.Nm setrgid
diff --git a/lib/libc/compat-43/sigpause.2 b/lib/libc/compat-43/sigpause.2
index 6aa52522cd47..516486eaa18e 100644
--- a/lib/libc/compat-43/sigpause.2
+++ b/lib/libc/compat-43/sigpause.2
@@ -34,7 +34,7 @@
.\"
.Dd June 2, 1993
.Dt SIGPAUSE 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm sigpause
.Nd atomically release blocked signals and wait for interrupt
diff --git a/lib/libc/compat-43/sigsetmask.2 b/lib/libc/compat-43/sigsetmask.2
index 84dcc5568214..59944d6061d2 100644
--- a/lib/libc/compat-43/sigsetmask.2
+++ b/lib/libc/compat-43/sigsetmask.2
@@ -34,7 +34,7 @@
.\"
.Dd June 2, 1993
.Dt SIGSETMASK 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm sigsetmask ,
.Nm sigblock
diff --git a/lib/libc/compat-43/sigvec.2 b/lib/libc/compat-43/sigvec.2
index d73fa3f2ef0c..1e45736803b2 100644
--- a/lib/libc/compat-43/sigvec.2
+++ b/lib/libc/compat-43/sigvec.2
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt SIGVEC 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm sigvec
.Nd software signal facilities
diff --git a/lib/libc/gen/alarm.3 b/lib/libc/gen/alarm.3
index a65cd01df5db..4157f2615ac5 100644
--- a/lib/libc/gen/alarm.3
+++ b/lib/libc/gen/alarm.3
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt ALARM 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm alarm
.Nd set signal timer alarm
diff --git a/lib/libc/gen/confstr.3 b/lib/libc/gen/confstr.3
index 6dfd830856df..1c6d2514fa4f 100644
--- a/lib/libc/gen/confstr.3
+++ b/lib/libc/gen/confstr.3
@@ -34,7 +34,7 @@
.\"
.Dd June 18, 2001
.Dt CONFSTR 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm confstr
.Nd get string-valued configurable variables
diff --git a/lib/libc/gen/devname.3 b/lib/libc/gen/devname.3
index 2f39c80e9cd1..d7cc940feea5 100644
--- a/lib/libc/gen/devname.3
+++ b/lib/libc/gen/devname.3
@@ -34,7 +34,7 @@
.\"
.Dd April 29, 1995
.Dt DEVNAME 3
-.Os BSD 4.4
+.Os
.Sh NAME
.Nm devname
.Nd get device name
diff --git a/lib/libc/gen/directory.3 b/lib/libc/gen/directory.3
index 8061d1db4d6e..e9f3a90ce9a2 100644
--- a/lib/libc/gen/directory.3
+++ b/lib/libc/gen/directory.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt DIRECTORY 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm opendir ,
.Nm readdir ,
diff --git a/lib/libc/gen/dladdr.3 b/lib/libc/gen/dladdr.3
index 36c58865f254..596fc7a9239c 100644
--- a/lib/libc/gen/dladdr.3
+++ b/lib/libc/gen/dladdr.3
@@ -26,7 +26,7 @@
.\" $FreeBSD$
.\"
.Dd February 5, 1998
-.Os FreeBSD
+.Os
.Dt DLADDR 3
.Sh NAME
.Nm dladdr
diff --git a/lib/libc/gen/dllockinit.3 b/lib/libc/gen/dllockinit.3
index 0e97857dcff0..9301809b27c0 100644
--- a/lib/libc/gen/dllockinit.3
+++ b/lib/libc/gen/dllockinit.3
@@ -26,7 +26,7 @@
.\" $FreeBSD$
.\"
.Dd July 5, 2000
-.Os FreeBSD
+.Os
.Dt DLLOCKINIT 3
.Sh NAME
.Nm dllockinit
diff --git a/lib/libc/gen/dlopen.3 b/lib/libc/gen/dlopen.3
index a45362de338d..480d7c3a6293 100644
--- a/lib/libc/gen/dlopen.3
+++ b/lib/libc/gen/dlopen.3
@@ -33,7 +33,7 @@
.\" $FreeBSD$
.\"
.Dd September 24, 1989
-.Os FreeBSD
+.Os
.Dt DLOPEN 3
.Sh NAME
.Nm dlopen , dlsym , dlerror , dlclose
diff --git a/lib/libc/gen/err.3 b/lib/libc/gen/err.3
index f0303c0a785e..792b5e67f186 100644
--- a/lib/libc/gen/err.3
+++ b/lib/libc/gen/err.3
@@ -34,7 +34,7 @@
.\"
.Dd March 6, 1999
.Dt ERR 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm err ,
.Nm verr ,
diff --git a/lib/libc/gen/getbsize.3 b/lib/libc/gen/getbsize.3
index 55b6f3f04563..828ab2c74d13 100644
--- a/lib/libc/gen/getbsize.3
+++ b/lib/libc/gen/getbsize.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETBSIZE 3
-.Os BSD 4.4
+.Os
.Sh NAME
.Nm getbsize
.Nd get user block size
diff --git a/lib/libc/gen/getcwd.3 b/lib/libc/gen/getcwd.3
index b9d479037f27..f7c851dddaec 100644
--- a/lib/libc/gen/getcwd.3
+++ b/lib/libc/gen/getcwd.3
@@ -34,7 +34,7 @@
.\"
.Dd November 24, 1997
.Dt GETCWD 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getcwd ,
.Nm getwd
diff --git a/lib/libc/gen/getdiskbyname.3 b/lib/libc/gen/getdiskbyname.3
index b6b86664bf53..a77f77d7decc 100644
--- a/lib/libc/gen/getdiskbyname.3
+++ b/lib/libc/gen/getdiskbyname.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETDISKBYNAME 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getdiskbyname
.Nd get generic disk description by its name
diff --git a/lib/libc/gen/getdomainname.3 b/lib/libc/gen/getdomainname.3
index 60f1f26edde1..4d6f72376655 100644
--- a/lib/libc/gen/getdomainname.3
+++ b/lib/libc/gen/getdomainname.3
@@ -34,7 +34,7 @@
.\"
.Dd May 6, 1994
.Dt GETDOMAINNAME 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getdomainname ,
.Nm setdomainname
diff --git a/lib/libc/gen/getfsent.3 b/lib/libc/gen/getfsent.3
index 82d1ef66cf34..2998246ea916 100644
--- a/lib/libc/gen/getfsent.3
+++ b/lib/libc/gen/getfsent.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETFSENT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm getfsent ,
.Nm getfsspec ,
diff --git a/lib/libc/gen/gethostname.3 b/lib/libc/gen/gethostname.3
index ba0bbe3a1f21..605ccc78a275 100644
--- a/lib/libc/gen/gethostname.3
+++ b/lib/libc/gen/gethostname.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETHOSTNAME 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm gethostname ,
.Nm sethostname
diff --git a/lib/libc/gen/getobjformat.3 b/lib/libc/gen/getobjformat.3
index 33240c8d4d08..8e282c5dcd67 100644
--- a/lib/libc/gen/getobjformat.3
+++ b/lib/libc/gen/getobjformat.3
@@ -26,7 +26,7 @@
.\"
.Dd September 7, 1998
.Dt GETOBJFORMAT 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm getobjformat
.Nd get preferred object file format
diff --git a/lib/libc/gen/getpagesize.3 b/lib/libc/gen/getpagesize.3
index 5fd90df3320a..8b5e2f7aaf6e 100644
--- a/lib/libc/gen/getpagesize.3
+++ b/lib/libc/gen/getpagesize.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETPAGESIZE 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getpagesize
.Nd get system page size
diff --git a/lib/libc/gen/getttyent.3 b/lib/libc/gen/getttyent.3
index cc108e671892..88762e10cc8d 100644
--- a/lib/libc/gen/getttyent.3
+++ b/lib/libc/gen/getttyent.3
@@ -34,7 +34,7 @@
.\"
.Dd November 17, 1996
.Dt GETTTYENT 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm getttyent ,
.Nm getttynam ,
diff --git a/lib/libc/gen/initgroups.3 b/lib/libc/gen/initgroups.3
index 27155fa29a4b..23756b294a71 100644
--- a/lib/libc/gen/initgroups.3
+++ b/lib/libc/gen/initgroups.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt INITGROUPS 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm initgroups
.Nd initialize group access list
diff --git a/lib/libc/gen/lockf.3 b/lib/libc/gen/lockf.3
index a7c511de8802..a199c2fbd8b7 100644
--- a/lib/libc/gen/lockf.3
+++ b/lib/libc/gen/lockf.3
@@ -38,7 +38,7 @@
.\"
.Dd December 19, 1997
.Dt LOCKF 3
-.Os NetBSD 1.4
+.Os
.Sh NAME
.Nm lockf
.Nd record locking on files
diff --git a/lib/libc/gen/msgctl.3 b/lib/libc/gen/msgctl.3
index 56b4f8697415..3e25f79ffdc7 100644
--- a/lib/libc/gen/msgctl.3
+++ b/lib/libc/gen/msgctl.3
@@ -33,7 +33,7 @@
.\"/
.Dd November 24, 1997
.Dt MSGCTL 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm msgctl
.Nd message control operations
diff --git a/lib/libc/gen/msgget.3 b/lib/libc/gen/msgget.3
index 6d221415415e..838e13a955f2 100644
--- a/lib/libc/gen/msgget.3
+++ b/lib/libc/gen/msgget.3
@@ -33,7 +33,7 @@
.\"/
.Dd August 17, 1995
.Dt MSGGET 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm msgget
.Nd get message queue
diff --git a/lib/libc/gen/msgrcv.3 b/lib/libc/gen/msgrcv.3
index bf8ccf8c586e..ed627bde0d6f 100644
--- a/lib/libc/gen/msgrcv.3
+++ b/lib/libc/gen/msgrcv.3
@@ -33,7 +33,7 @@
.\"/
.Dd November 24, 1997
.Dt MSGRCV 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm msgrcv
.Nd receive a message from a message queue
diff --git a/lib/libc/gen/msgsnd.3 b/lib/libc/gen/msgsnd.3
index 1feb94bad9b0..ede8ff4a5351 100644
--- a/lib/libc/gen/msgsnd.3
+++ b/lib/libc/gen/msgsnd.3
@@ -33,7 +33,7 @@
.\"
.Dd November 24, 1997
.Dt MSGSND 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm msgsnd
.Nd send a message to a message queue
diff --git a/lib/libc/gen/nice.3 b/lib/libc/gen/nice.3
index df1291f78afc..1fb7eb2e5c53 100644
--- a/lib/libc/gen/nice.3
+++ b/lib/libc/gen/nice.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt NICE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm nice
.Nd set program scheduling priority
diff --git a/lib/libc/gen/nlist.3 b/lib/libc/gen/nlist.3
index 96ba25cc7b60..9597b37791a3 100644
--- a/lib/libc/gen/nlist.3
+++ b/lib/libc/gen/nlist.3
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt NLIST 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm nlist
.Nd retrieve symbol table name list from an executable file
diff --git a/lib/libc/gen/pause.3 b/lib/libc/gen/pause.3
index 80d1f9f83e88..8ffd75ccfff8 100644
--- a/lib/libc/gen/pause.3
+++ b/lib/libc/gen/pause.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt PAUSE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pause
.Nd stop until signal
diff --git a/lib/libc/gen/psignal.3 b/lib/libc/gen/psignal.3
index 3ea6216e1e6d..fd8052890760 100644
--- a/lib/libc/gen/psignal.3
+++ b/lib/libc/gen/psignal.3
@@ -34,7 +34,7 @@
.\"
.Dd February 27, 1995
.Dt PSIGNAL 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm psignal ,
.Nm strsignal ,
diff --git a/lib/libc/gen/rand48.3 b/lib/libc/gen/rand48.3
index d42461b87ddc..5386bce71034 100644
--- a/lib/libc/gen/rand48.3
+++ b/lib/libc/gen/rand48.3
@@ -14,7 +14,7 @@
.\"
.Dd October 8, 1993
.Dt RAND48 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm drand48 ,
.Nm erand48 ,
diff --git a/lib/libc/gen/scandir.3 b/lib/libc/gen/scandir.3
index 3f6907889874..0502bd26ab8b 100644
--- a/lib/libc/gen/scandir.3
+++ b/lib/libc/gen/scandir.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SCANDIR 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm scandir ,
.Nm alphasort
diff --git a/lib/libc/gen/setjmp.3 b/lib/libc/gen/setjmp.3
index 1c4800c2d3bb..29c2a9b95ef1 100644
--- a/lib/libc/gen/setjmp.3
+++ b/lib/libc/gen/setjmp.3
@@ -38,7 +38,7 @@
.\"
.Dd June 4, 1993
.Dt SETJMP 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm sigsetjmp ,
.Nm siglongjmp ,
diff --git a/lib/libc/gen/setproctitle.3 b/lib/libc/gen/setproctitle.3
index 15538d52f825..a09d539ecee2 100644
--- a/lib/libc/gen/setproctitle.3
+++ b/lib/libc/gen/setproctitle.3
@@ -21,7 +21,7 @@
.\"
.\" The following requests are required for all man pages.
.Dd December 16, 1995
-.Os FreeBSD
+.Os
.Dt SETPROCTITLE 3
.Sh NAME
.Nm setproctitle
diff --git a/lib/libc/gen/siginterrupt.3 b/lib/libc/gen/siginterrupt.3
index 102c04e93b1e..26672520e897 100644
--- a/lib/libc/gen/siginterrupt.3
+++ b/lib/libc/gen/siginterrupt.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SIGINTERRUPT 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm siginterrupt
.Nd allow signals to interrupt system calls
diff --git a/lib/libc/gen/signal.3 b/lib/libc/gen/signal.3
index 06abdb43b71d..392074b08e4d 100644
--- a/lib/libc/gen/signal.3
+++ b/lib/libc/gen/signal.3
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt SIGNAL 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm signal
.Nd simplified software signal facilities
diff --git a/lib/libc/gen/stringlist.3 b/lib/libc/gen/stringlist.3
index bd5e0705ae92..6708055af7d8 100644
--- a/lib/libc/gen/stringlist.3
+++ b/lib/libc/gen/stringlist.3
@@ -36,7 +36,7 @@
.\" $FreeBSD$
.\"
.Dd February 24, 1997
-.Os NetBSD 1.3
+.Os
.Dt STRINGLIST 3
.Sh NAME
.Nm stringlist ,
diff --git a/lib/libc/gen/sysconf.3 b/lib/libc/gen/sysconf.3
index bcd4b38027ee..65bd8260ec00 100644
--- a/lib/libc/gen/sysconf.3
+++ b/lib/libc/gen/sysconf.3
@@ -34,7 +34,7 @@
.\"
.Dd June 18, 2001
.Dt SYSCONF 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm sysconf
.Nd get configurable system variables
diff --git a/lib/libc/gen/syslog.3 b/lib/libc/gen/syslog.3
index 7513d6018191..18dd3cb96504 100644
--- a/lib/libc/gen/syslog.3
+++ b/lib/libc/gen/syslog.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SYSLOG 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm syslog ,
.Nm vsyslog ,
diff --git a/lib/libc/gen/time.3 b/lib/libc/gen/time.3
index 4a27f6fd82cf..1293e02d3b01 100644
--- a/lib/libc/gen/time.3
+++ b/lib/libc/gen/time.3
@@ -38,7 +38,7 @@
.\"
.Dd June 4, 1993
.Dt TIME 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm time
.Nd get time of day
diff --git a/lib/libc/gen/times.3 b/lib/libc/gen/times.3
index 85a33f7b04e9..9f278a455252 100644
--- a/lib/libc/gen/times.3
+++ b/lib/libc/gen/times.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt TIMES 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm times
.Nd process times
diff --git a/lib/libc/gen/ualarm.3 b/lib/libc/gen/ualarm.3
index 3e53f048a598..137212e7f576 100644
--- a/lib/libc/gen/ualarm.3
+++ b/lib/libc/gen/ualarm.3
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt UALARM 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm ualarm
.Nd schedule signal after specified time
diff --git a/lib/libc/gen/usleep.3 b/lib/libc/gen/usleep.3
index b47ea0145fb5..ae89133ff2cb 100644
--- a/lib/libc/gen/usleep.3
+++ b/lib/libc/gen/usleep.3
@@ -34,7 +34,7 @@
.\"
.Dd February 13, 1998
.Dt USLEEP 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm usleep
.Nd suspend process execution for an interval measured in microseconds
diff --git a/lib/libc/gen/utime.3 b/lib/libc/gen/utime.3
index e50389824b0c..87fa93cdb343 100644
--- a/lib/libc/gen/utime.3
+++ b/lib/libc/gen/utime.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt UTIME 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm utime
.Nd set file times
diff --git a/lib/libc/gen/valloc.3 b/lib/libc/gen/valloc.3
index a7af23f1e423..00e4beb34626 100644
--- a/lib/libc/gen/valloc.3
+++ b/lib/libc/gen/valloc.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt VALLOC 3
-.Os BSD 3
+.Os
.Sh NAME
.Nm valloc
.Nd aligned memory allocation function
diff --git a/lib/libc/gmon/moncontrol.3 b/lib/libc/gmon/moncontrol.3
index f0c925475081..127382463851 100644
--- a/lib/libc/gmon/moncontrol.3
+++ b/lib/libc/gmon/moncontrol.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt MONCONTROL 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm moncontrol ,
.Nm monstartup
diff --git a/lib/libc/i386/sys/i386_get_ldt.2 b/lib/libc/i386/sys/i386_get_ldt.2
index d6743c4e3a34..c1e9584f34ae 100644
--- a/lib/libc/i386/sys/i386_get_ldt.2
+++ b/lib/libc/i386/sys/i386_get_ldt.2
@@ -34,7 +34,7 @@
.\"
.Dd September 20, 1993
.Dt I386_GET_LDT 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm i386_get_ldt ,
.Nm i386_set_ldt
diff --git a/lib/libc/net/byteorder.3 b/lib/libc/net/byteorder.3
index a38ba8205ef7..0785911aed89 100644
--- a/lib/libc/net/byteorder.3
+++ b/lib/libc/net/byteorder.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt BYTEORDER 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm htonl ,
.Nm htons ,
diff --git a/lib/libc/net/ethers.3 b/lib/libc/net/ethers.3
index 31aa7d776b9d..a1dc7a128975 100644
--- a/lib/libc/net/ethers.3
+++ b/lib/libc/net/ethers.3
@@ -32,7 +32,7 @@
.\"
.Dd April 12, 1995
.Dt ETHERS 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm ethers ,
.Nm ether_line ,
diff --git a/lib/libc/net/gethostbyname.3 b/lib/libc/net/gethostbyname.3
index 495c512a0d60..0c3772e9e26d 100644
--- a/lib/libc/net/gethostbyname.3
+++ b/lib/libc/net/gethostbyname.3
@@ -34,7 +34,7 @@
.\"
.Dd May 25, 1995
.Dt GETHOSTBYNAME 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm gethostbyname ,
.Nm gethostbyname2 ,
diff --git a/lib/libc/net/getnetent.3 b/lib/libc/net/getnetent.3
index de3e9df2dc2b..92e497048603 100644
--- a/lib/libc/net/getnetent.3
+++ b/lib/libc/net/getnetent.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETNETENT 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getnetent ,
.Nm getnetbyaddr ,
diff --git a/lib/libc/net/getprotoent.3 b/lib/libc/net/getprotoent.3
index 22dba9ccc251..a24d995bc170 100644
--- a/lib/libc/net/getprotoent.3
+++ b/lib/libc/net/getprotoent.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETPROTOENT 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getprotoent ,
.Nm getprotobynumber ,
diff --git a/lib/libc/net/getservent.3 b/lib/libc/net/getservent.3
index 06b2d5044be2..e1569d455252 100644
--- a/lib/libc/net/getservent.3
+++ b/lib/libc/net/getservent.3
@@ -34,7 +34,7 @@
.\"
.Dd July 9, 1995
.Dt GETSERVENT 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getservent ,
.Nm getservbyport ,
diff --git a/lib/libc/net/inet.3 b/lib/libc/net/inet.3
index 29aa805323ed..99e779178c21 100644
--- a/lib/libc/net/inet.3
+++ b/lib/libc/net/inet.3
@@ -34,7 +34,7 @@
.\"
.Dd June 17, 1996
.Dt INET 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm inet_aton ,
.Nm inet_addr ,
diff --git a/lib/libc/net/linkaddr.3 b/lib/libc/net/linkaddr.3
index 9dd9e2edb187..23932cbac534 100644
--- a/lib/libc/net/linkaddr.3
+++ b/lib/libc/net/linkaddr.3
@@ -37,7 +37,7 @@
.\"
.Dd June 17, 1996
.Dt LINK_ADDR 3
-.Os BSD 4.4
+.Os
.Sh NAME
.Nm link_addr ,
.Nm link_ntoa
diff --git a/lib/libc/net/ns.3 b/lib/libc/net/ns.3
index 0376d9047520..4d545e3993af 100644
--- a/lib/libc/net/ns.3
+++ b/lib/libc/net/ns.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt NS 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm ns_addr ,
.Nm ns_ntoa
diff --git a/lib/libc/net/rcmd.3 b/lib/libc/net/rcmd.3
index 899bd9e55d75..abc601742036 100644
--- a/lib/libc/net/rcmd.3
+++ b/lib/libc/net/rcmd.3
@@ -34,7 +34,7 @@
.\"
.Dd March 3, 2000
.Dt RCMD 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm rcmd ,
.Nm rresvport ,
diff --git a/lib/libc/net/resolver.3 b/lib/libc/net/resolver.3
index 07d6bfad51fc..4870992c334c 100644
--- a/lib/libc/net/resolver.3
+++ b/lib/libc/net/resolver.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt RESOLVER 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm res_query ,
.Nm res_search ,
diff --git a/lib/libc/posix1e/acl.3 b/lib/libc/posix1e/acl.3
index 0e14b78ff182..39822b8c33e7 100644
--- a/lib/libc/posix1e/acl.3
+++ b/lib/libc/posix1e/acl.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl
.Nd introduction to the POSIX.1e ACL security API
diff --git a/lib/libc/posix1e/acl_delete.3 b/lib/libc/posix1e/acl_delete.3
index b7b580fb0309..2aa3f15ff01f 100644
--- a/lib/libc/posix1e/acl_delete.3
+++ b/lib/libc/posix1e/acl_delete.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_DELETE 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_delete_def_file ,
.Nm acl_delete_fd_np ,
diff --git a/lib/libc/posix1e/acl_dup.3 b/lib/libc/posix1e/acl_dup.3
index 813860ba79b0..b08b2bad1c59 100644
--- a/lib/libc/posix1e/acl_dup.3
+++ b/lib/libc/posix1e/acl_dup.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_DUP 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_dup
.Nd duplicate an ACL
diff --git a/lib/libc/posix1e/acl_free.3 b/lib/libc/posix1e/acl_free.3
index 6e9a32a9711b..f45c6b38e5fe 100644
--- a/lib/libc/posix1e/acl_free.3
+++ b/lib/libc/posix1e/acl_free.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_FREE 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_free
.Nd free ACL working state
diff --git a/lib/libc/posix1e/acl_from_text.3 b/lib/libc/posix1e/acl_from_text.3
index b07e133f04fe..578e3f7a304c 100644
--- a/lib/libc/posix1e/acl_from_text.3
+++ b/lib/libc/posix1e/acl_from_text.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_FROM_TEXT 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_from_text
.Nd create an ACL from text
diff --git a/lib/libc/posix1e/acl_get.3 b/lib/libc/posix1e/acl_get.3
index d0dbab19ff05..ee8ab54326b0 100644
--- a/lib/libc/posix1e/acl_get.3
+++ b/lib/libc/posix1e/acl_get.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_GET 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_get_fd ,
.Nm acl_get_fd_np ,
diff --git a/lib/libc/posix1e/acl_init.3 b/lib/libc/posix1e/acl_init.3
index f3c364914257..cebf006def17 100644
--- a/lib/libc/posix1e/acl_init.3
+++ b/lib/libc/posix1e/acl_init.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_INIT 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_init
.Nd initialize ACL working storage
diff --git a/lib/libc/posix1e/acl_set.3 b/lib/libc/posix1e/acl_set.3
index 0190e6f7a094..12abb92000f1 100644
--- a/lib/libc/posix1e/acl_set.3
+++ b/lib/libc/posix1e/acl_set.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_SET 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_set_fd ,
.Nm acl_set_fd_np ,
diff --git a/lib/libc/posix1e/acl_to_text.3 b/lib/libc/posix1e/acl_to_text.3
index e11c45c53320..b28fd5952a22 100644
--- a/lib/libc/posix1e/acl_to_text.3
+++ b/lib/libc/posix1e/acl_to_text.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_TO_TEXT 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_to_text
.Nd convert an ACL to text
diff --git a/lib/libc/posix1e/acl_valid.3 b/lib/libc/posix1e/acl_valid.3
index b73e1dec4f55..1418d3c22a31 100644
--- a/lib/libc/posix1e/acl_valid.3
+++ b/lib/libc/posix1e/acl_valid.3
@@ -27,7 +27,7 @@
.\"
.Dd January 28, 2000
.Dt ACL_VALID 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm acl_valid ,
.Nm acl_valid_fd_np ,
diff --git a/lib/libc/posix1e/cap.3 b/lib/libc/posix1e/cap.3
index b47c186ac829..26d977e1ab65 100644
--- a/lib/libc/posix1e/cap.3
+++ b/lib/libc/posix1e/cap.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap
.Nd introduction to the POSIX.1e Capability security API
diff --git a/lib/libc/posix1e/cap_clear.3 b/lib/libc/posix1e/cap_clear.3
index aafd1bd540e3..97c7958f2f7d 100644
--- a/lib/libc/posix1e/cap_clear.3
+++ b/lib/libc/posix1e/cap_clear.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP_CLEAR 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_clear
.Nd initialize a capability state in working store
diff --git a/lib/libc/posix1e/cap_dup.3 b/lib/libc/posix1e/cap_dup.3
index 816ca0aa6354..0f29656216f7 100644
--- a/lib/libc/posix1e/cap_dup.3
+++ b/lib/libc/posix1e/cap_dup.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP_DUP 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_dup
.Nd duplicate a capability state in working storage
diff --git a/lib/libc/posix1e/cap_free.3 b/lib/libc/posix1e/cap_free.3
index 994cd224c48c..03a62d4184f5 100644
--- a/lib/libc/posix1e/cap_free.3
+++ b/lib/libc/posix1e/cap_free.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP_FREE 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_free
.Nd "release memory allocated to a capability state in working storage"
diff --git a/lib/libc/posix1e/cap_from_text.3 b/lib/libc/posix1e/cap_from_text.3
index 14faa8de4155..1af929254fb1 100644
--- a/lib/libc/posix1e/cap_from_text.3
+++ b/lib/libc/posix1e/cap_from_text.3
@@ -27,7 +27,7 @@
.\"
.Dd September 18, 2000
.Dt CAP_FROM_TEXT 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_from_text
.Nd convert text to a capability state in working store
diff --git a/lib/libc/posix1e/cap_get_flag.3 b/lib/libc/posix1e/cap_get_flag.3
index c16496299e42..beb3f6ef3e9c 100644
--- a/lib/libc/posix1e/cap_get_flag.3
+++ b/lib/libc/posix1e/cap_get_flag.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP_GET_FLAG 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_get_flag
.Nd get the value of a capability flag
diff --git a/lib/libc/posix1e/cap_get_proc.3 b/lib/libc/posix1e/cap_get_proc.3
index b546b12b7286..67ff18514b92 100644
--- a/lib/libc/posix1e/cap_get_proc.3
+++ b/lib/libc/posix1e/cap_get_proc.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP_GET_PROC 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_get_proc
.Nd obtain the current process capability state
diff --git a/lib/libc/posix1e/cap_init.3 b/lib/libc/posix1e/cap_init.3
index e9a82633e2bb..7705bc541501 100644
--- a/lib/libc/posix1e/cap_init.3
+++ b/lib/libc/posix1e/cap_init.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP_INIT 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_init
.Nd allocate and initialize a capability state in working storage
diff --git a/lib/libc/posix1e/cap_set_flag.3 b/lib/libc/posix1e/cap_set_flag.3
index a9450b266811..641439a8cc64 100644
--- a/lib/libc/posix1e/cap_set_flag.3
+++ b/lib/libc/posix1e/cap_set_flag.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP_SET_FLAG 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_set_flag
.Nd set the value of a capability flag
diff --git a/lib/libc/posix1e/cap_set_proc.3 b/lib/libc/posix1e/cap_set_proc.3
index 9304b1c69477..b0b78b885a5c 100644
--- a/lib/libc/posix1e/cap_set_proc.3
+++ b/lib/libc/posix1e/cap_set_proc.3
@@ -29,7 +29,7 @@
.\"
.Dd April 1, 2000
.Dt CAP_SET_PROC 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_set_proc
.Nd set the process capability state
diff --git a/lib/libc/posix1e/cap_to_text.3 b/lib/libc/posix1e/cap_to_text.3
index 7dfa65bd6f88..22feeff8fa8e 100644
--- a/lib/libc/posix1e/cap_to_text.3
+++ b/lib/libc/posix1e/cap_to_text.3
@@ -27,7 +27,7 @@
.\"
.Dd September 18, 2000
.Dt CAP_TO_TEXT 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm cap_to_text
.Nd convert a capability state in working storage to text
diff --git a/lib/libc/posix1e/posix1e.3 b/lib/libc/posix1e/posix1e.3
index 86aef66e86f6..05304f8e10b0 100644
--- a/lib/libc/posix1e/posix1e.3
+++ b/lib/libc/posix1e/posix1e.3
@@ -27,7 +27,7 @@
.\"
.Dd January 17, 2000
.Dt POSIX1E 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm posix1e
.Nd introduction to the POSIX.1e security API
diff --git a/lib/libc/stdio/setbuf.3 b/lib/libc/stdio/setbuf.3
index e9fa07972b6f..28451580f45c 100644
--- a/lib/libc/stdio/setbuf.3
+++ b/lib/libc/stdio/setbuf.3
@@ -38,7 +38,7 @@
.\"
.Dd June 4, 1993
.Dt SETBUF 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm setbuf ,
.Nm setbuffer ,
diff --git a/lib/libc/stdio/stdio.3 b/lib/libc/stdio/stdio.3
index 10d79ba8d6e7..c7dc30da3cf5 100644
--- a/lib/libc/stdio/stdio.3
+++ b/lib/libc/stdio/stdio.3
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt STDIO 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm stdio
.Nd standard input/output library functions
diff --git a/lib/libc/stdlib/alloca.3 b/lib/libc/stdlib/alloca.3
index 0480a0ba7594..d7b48a0801e9 100644
--- a/lib/libc/stdlib/alloca.3
+++ b/lib/libc/stdlib/alloca.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt ALLOCA 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm alloca
.Nd memory allocator
diff --git a/lib/libc/stdlib/getopt.3 b/lib/libc/stdlib/getopt.3
index d9d69c1411d7..70857b9a960f 100644
--- a/lib/libc/stdlib/getopt.3
+++ b/lib/libc/stdlib/getopt.3
@@ -34,7 +34,7 @@
.\"
.Dd April 27, 1995
.Dt GETOPT 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm getopt
.Nd get option character from command line argument list
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3
index 3d6b7ed4a99f..f49604d2a8db 100644
--- a/lib/libc/stdlib/malloc.3
+++ b/lib/libc/stdlib/malloc.3
@@ -38,7 +38,7 @@
.\"
.Dd August 27, 1996
.Dt MALLOC 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm malloc , calloc , realloc , free , reallocf
.Nd general purpose memory allocation functions
diff --git a/lib/libc/stdlib/memory.3 b/lib/libc/stdlib/memory.3
index 34fae3f42eea..79c315eb3407 100644
--- a/lib/libc/stdlib/memory.3
+++ b/lib/libc/stdlib/memory.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt MEMORY 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm malloc ,
.Nm free ,
diff --git a/lib/libc/stdlib/random.3 b/lib/libc/stdlib/random.3
index e673f8a59edc..a17c1b73742a 100644
--- a/lib/libc/stdlib/random.3
+++ b/lib/libc/stdlib/random.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt RANDOM 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm random ,
.Nm srandom ,
diff --git a/lib/libc/stdtime/ctime.3 b/lib/libc/stdtime/ctime.3
index 94f0622515fd..e3de91bfa557 100644
--- a/lib/libc/stdtime/ctime.3
+++ b/lib/libc/stdtime/ctime.3
@@ -36,7 +36,7 @@
.\"
.Dd January 2, 1999
.Dt CTIME 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm asctime ,
.Nm asctime_r ,
diff --git a/lib/libc/stdtime/tzfile.5 b/lib/libc/stdtime/tzfile.5
index e29d4d73350e..cc7e65966060 100644
--- a/lib/libc/stdtime/tzfile.5
+++ b/lib/libc/stdtime/tzfile.5
@@ -1,7 +1,7 @@
.\" $FreeBSD$
.Dd September 13, 1994
.Dt TZFILE 5
-.Os FreeBSD
+.Os
.Sh NAME
.Nm tzfile
.Nd timezone information
diff --git a/lib/libc/string/bcmp.3 b/lib/libc/string/bcmp.3
index 4300d1f930b5..0e743a0b871e 100644
--- a/lib/libc/string/bcmp.3
+++ b/lib/libc/string/bcmp.3
@@ -36,7 +36,7 @@
.\"
.Dd June 4, 1993
.Dt BCMP 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm bcmp
.Nd compare byte string
diff --git a/lib/libc/string/bcopy.3 b/lib/libc/string/bcopy.3
index 54afedf4a196..7f3fa4758597 100644
--- a/lib/libc/string/bcopy.3
+++ b/lib/libc/string/bcopy.3
@@ -37,7 +37,7 @@
.\"
.Dd June 4, 1993
.Dt BCOPY 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm bcopy
.Nd copy byte string
diff --git a/lib/libc/string/bzero.3 b/lib/libc/string/bzero.3
index ca488fc9423d..1f4fbc56bb8a 100644
--- a/lib/libc/string/bzero.3
+++ b/lib/libc/string/bzero.3
@@ -37,7 +37,7 @@
.\"
.Dd June 4, 1993
.Dt BZERO 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm bzero
.Nd write zeroes to a byte string
diff --git a/lib/libc/string/strcpy.3 b/lib/libc/string/strcpy.3
index cb38dce6b8fe..6f221af9f604 100644
--- a/lib/libc/string/strcpy.3
+++ b/lib/libc/string/strcpy.3
@@ -38,7 +38,7 @@
.\"
.Dd June 4, 1993
.Dt STRCPY 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm strcpy
.Nd copy strings
diff --git a/lib/libc/string/strerror.3 b/lib/libc/string/strerror.3
index 1799c1c6a8b2..e714ff24b4c3 100644
--- a/lib/libc/string/strerror.3
+++ b/lib/libc/string/strerror.3
@@ -38,7 +38,7 @@
.\"
.Dd June 9, 1993
.Dt STRERROR 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm perror ,
.Nm strerror ,
diff --git a/lib/libc/string/string.3 b/lib/libc/string/string.3
index 6a3457c12b9b..e822f7f841be 100644
--- a/lib/libc/string/string.3
+++ b/lib/libc/string/string.3
@@ -36,7 +36,7 @@
.\"
.Dd December 11, 1993
.Dt STRING 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm strcat ,
.Nm strncat ,
diff --git a/lib/libc/string/strtok.3 b/lib/libc/string/strtok.3
index 297c982ec6c2..77837d2db5e7 100644
--- a/lib/libc/string/strtok.3
+++ b/lib/libc/string/strtok.3
@@ -52,7 +52,7 @@
.\"
.Dd November 27, 1998
.Dt STRTOK 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm strtok , strtok_r
.Nd string tokens
diff --git a/lib/libc/sys/_exit.2 b/lib/libc/sys/_exit.2
index 770672b4fa1d..50096e6dc4ba 100644
--- a/lib/libc/sys/_exit.2
+++ b/lib/libc/sys/_exit.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt EXIT 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm _exit
.Nd terminate the calling process
diff --git a/lib/libc/sys/accept.2 b/lib/libc/sys/accept.2
index 9e6b5fdc6b68..968f4cecbd7d 100644
--- a/lib/libc/sys/accept.2
+++ b/lib/libc/sys/accept.2
@@ -34,7 +34,7 @@
.\"
.Dd December 11, 1993
.Dt ACCEPT 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm accept
.Nd accept a connection on a socket
diff --git a/lib/libc/sys/access.2 b/lib/libc/sys/access.2
index 0de57e1cfbfd..e37d06918dc2 100644
--- a/lib/libc/sys/access.2
+++ b/lib/libc/sys/access.2
@@ -34,7 +34,7 @@
.\"
.Dd April 1, 1994
.Dt ACCESS 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm access
.Nd check access permissions of a file or pathname
diff --git a/lib/libc/sys/acct.2 b/lib/libc/sys/acct.2
index 0dce177846fd..7b1c6c22fb81 100644
--- a/lib/libc/sys/acct.2
+++ b/lib/libc/sys/acct.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt ACCT 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm acct
.Nd enable or disable process accounting
diff --git a/lib/libc/sys/adjtime.2 b/lib/libc/sys/adjtime.2
index a5e164748465..a6ddd8ce6c85 100644
--- a/lib/libc/sys/adjtime.2
+++ b/lib/libc/sys/adjtime.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt ADJTIME 2
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm adjtime
.Nd "correct the time to allow synchronization of the system clock"
diff --git a/lib/libc/sys/bind.2 b/lib/libc/sys/bind.2
index d13b2987b9bd..ac8337ed61a8 100644
--- a/lib/libc/sys/bind.2
+++ b/lib/libc/sys/bind.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt BIND 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm bind
.Nd assign a local protocol address to a socket
diff --git a/lib/libc/sys/brk.2 b/lib/libc/sys/brk.2
index 7f40e3417a27..97b2915c5af3 100644
--- a/lib/libc/sys/brk.2
+++ b/lib/libc/sys/brk.2
@@ -34,7 +34,7 @@
.\"
.Dd May 1, 1995
.Dt BRK 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm brk ,
.Nm sbrk
diff --git a/lib/libc/sys/chdir.2 b/lib/libc/sys/chdir.2
index d6ca53215549..7a9c716128de 100644
--- a/lib/libc/sys/chdir.2
+++ b/lib/libc/sys/chdir.2
@@ -34,7 +34,7 @@
.\"
.Dd December 11, 1993
.Dt CHDIR 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm chdir ,
.Nm fchdir
diff --git a/lib/libc/sys/chmod.2 b/lib/libc/sys/chmod.2
index 61f1b36a40fc..6a3120f34cd4 100644
--- a/lib/libc/sys/chmod.2
+++ b/lib/libc/sys/chmod.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt CHMOD 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm chmod ,
.Nm fchmod ,
diff --git a/lib/libc/sys/chown.2 b/lib/libc/sys/chown.2
index 1ae9bf9f2b38..e049ad539a08 100644
--- a/lib/libc/sys/chown.2
+++ b/lib/libc/sys/chown.2
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt CHOWN 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm chown ,
.Nm fchown ,
diff --git a/lib/libc/sys/chroot.2 b/lib/libc/sys/chroot.2
index 6d9f7642af8c..db7336cfb4fa 100644
--- a/lib/libc/sys/chroot.2
+++ b/lib/libc/sys/chroot.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt CHROOT 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm chroot
.Nd change root directory
diff --git a/lib/libc/sys/clock_gettime.2 b/lib/libc/sys/clock_gettime.2
index 956168a8ddf4..24ead3501b32 100644
--- a/lib/libc/sys/clock_gettime.2
+++ b/lib/libc/sys/clock_gettime.2
@@ -34,7 +34,7 @@
.\"
.Dd May 8, 1997
.Dt CLOCK_GETTIME 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm clock_gettime ,
.Nm clock_settime ,
diff --git a/lib/libc/sys/close.2 b/lib/libc/sys/close.2
index e0ebcc11bdb8..18ebe3c2f000 100644
--- a/lib/libc/sys/close.2
+++ b/lib/libc/sys/close.2
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt CLOSE 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm close
.Nd delete a descriptor
diff --git a/lib/libc/sys/connect.2 b/lib/libc/sys/connect.2
index 8b023ab4cfb2..7a8a59d523dd 100644
--- a/lib/libc/sys/connect.2
+++ b/lib/libc/sys/connect.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt CONNECT 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm connect
.Nd initiate a connection on a socket
diff --git a/lib/libc/sys/dup.2 b/lib/libc/sys/dup.2
index 9329cbc3577d..d64ee6586422 100644
--- a/lib/libc/sys/dup.2
+++ b/lib/libc/sys/dup.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt DUP 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm dup ,
.Nm dup2
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2
index dd09ca6c2d53..85531f85db32 100644
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@@ -34,7 +34,7 @@
.\"
.Dd June 1, 1994
.Dt EXECVE 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm execve
.Nd execute a file
diff --git a/lib/libc/sys/fcntl.2 b/lib/libc/sys/fcntl.2
index ecd6221617e6..9c2a25bdc80e 100644
--- a/lib/libc/sys/fcntl.2
+++ b/lib/libc/sys/fcntl.2
@@ -34,7 +34,7 @@
.\"
.Dd January 12, 1994
.Dt FCNTL 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm fcntl
.Nd file control
diff --git a/lib/libc/sys/flock.2 b/lib/libc/sys/flock.2
index 73fc8e2c7e51..49ecd4d56d41 100644
--- a/lib/libc/sys/flock.2
+++ b/lib/libc/sys/flock.2
@@ -34,7 +34,7 @@
.\"
.Dd December 11, 1993
.Dt FLOCK 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm flock
.Nd "apply or remove an advisory lock on an open file"
diff --git a/lib/libc/sys/fork.2 b/lib/libc/sys/fork.2
index ba948731dd1b..047e5a98ff15 100644
--- a/lib/libc/sys/fork.2
+++ b/lib/libc/sys/fork.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt FORK 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm fork
.Nd create a new process
diff --git a/lib/libc/sys/fsync.2 b/lib/libc/sys/fsync.2
index a2f75bb2cbdb..f689c30b6417 100644
--- a/lib/libc/sys/fsync.2
+++ b/lib/libc/sys/fsync.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt FSYNC 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm fsync
.Nd "synchronise changes to a file"
diff --git a/lib/libc/sys/getdtablesize.2 b/lib/libc/sys/getdtablesize.2
index 0254456d9917..28344ac430fd 100644
--- a/lib/libc/sys/getdtablesize.2
+++ b/lib/libc/sys/getdtablesize.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETDTABLESIZE 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getdtablesize
.Nd get descriptor table size
diff --git a/lib/libc/sys/getgid.2 b/lib/libc/sys/getgid.2
index aaaf72b0919e..3e1a1486440f 100644
--- a/lib/libc/sys/getgid.2
+++ b/lib/libc/sys/getgid.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETGID 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getgid ,
.Nm getegid
diff --git a/lib/libc/sys/getgroups.2 b/lib/libc/sys/getgroups.2
index 3ae52425a42b..6527e801b630 100644
--- a/lib/libc/sys/getgroups.2
+++ b/lib/libc/sys/getgroups.2
@@ -34,7 +34,7 @@
.\"
.Dd March 5, 1999
.Dt GETGROUPS 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getgroups
.Nd get group access list
diff --git a/lib/libc/sys/getitimer.2 b/lib/libc/sys/getitimer.2
index 485c06761e05..db629f4c7d85 100644
--- a/lib/libc/sys/getitimer.2
+++ b/lib/libc/sys/getitimer.2
@@ -34,7 +34,7 @@
.\"
.Dd May 16, 1995
.Dt GETITIMER 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getitimer ,
.Nm setitimer
diff --git a/lib/libc/sys/getlogin.2 b/lib/libc/sys/getlogin.2
index c52bb2e2e1e1..89c9211cea8c 100644
--- a/lib/libc/sys/getlogin.2
+++ b/lib/libc/sys/getlogin.2
@@ -34,7 +34,7 @@
.\"
.Dd June 9, 1993
.Dt GETLOGIN 2
-.Os BSD 4.4
+.Os
.Sh NAME
.Nm getlogin ,
.Nm getlogin_r ,
diff --git a/lib/libc/sys/getpeername.2 b/lib/libc/sys/getpeername.2
index a7cd663a92b2..20d9f532031d 100644
--- a/lib/libc/sys/getpeername.2
+++ b/lib/libc/sys/getpeername.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETPEERNAME 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getpeername
.Nd get name of connected peer
diff --git a/lib/libc/sys/getpgrp.2 b/lib/libc/sys/getpgrp.2
index 6197ff5286e0..9e3fa54a3615 100644
--- a/lib/libc/sys/getpgrp.2
+++ b/lib/libc/sys/getpgrp.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETPGRP 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getpgrp
.Nd get process group
diff --git a/lib/libc/sys/getpid.2 b/lib/libc/sys/getpid.2
index 1eb77410c50f..70c0b657a10a 100644
--- a/lib/libc/sys/getpid.2
+++ b/lib/libc/sys/getpid.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETPID 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm getpid ,
.Nm getppid
diff --git a/lib/libc/sys/getpriority.2 b/lib/libc/sys/getpriority.2
index 1047cf7f6024..8a8d57b15a8f 100644
--- a/lib/libc/sys/getpriority.2
+++ b/lib/libc/sys/getpriority.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETPRIORITY 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm getpriority ,
.Nm setpriority
diff --git a/lib/libc/sys/getrlimit.2 b/lib/libc/sys/getrlimit.2
index 4f67802b1662..ceac426621ab 100644
--- a/lib/libc/sys/getrlimit.2
+++ b/lib/libc/sys/getrlimit.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETRLIMIT 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm getrlimit ,
.Nm setrlimit
diff --git a/lib/libc/sys/getrusage.2 b/lib/libc/sys/getrusage.2
index 9e441510e179..ad7f58514b21 100644
--- a/lib/libc/sys/getrusage.2
+++ b/lib/libc/sys/getrusage.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETRUSAGE 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm getrusage
.Nd get information about resource utilization
diff --git a/lib/libc/sys/getsid.2 b/lib/libc/sys/getsid.2
index 00f46c90c1f4..627daf9ca124 100644
--- a/lib/libc/sys/getsid.2
+++ b/lib/libc/sys/getsid.2
@@ -25,7 +25,7 @@
.\"
.Dd August 19, 1997
.Dt GETSID 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getsid
.Nd get process session
diff --git a/lib/libc/sys/getsockname.2 b/lib/libc/sys/getsockname.2
index d0262dcdbbd4..d2ecff92dedd 100644
--- a/lib/libc/sys/getsockname.2
+++ b/lib/libc/sys/getsockname.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETSOCKNAME 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm getsockname
.Nd get socket name
diff --git a/lib/libc/sys/getsockopt.2 b/lib/libc/sys/getsockopt.2
index c9e9ba9b62e3..0f1a23b19afe 100644
--- a/lib/libc/sys/getsockopt.2
+++ b/lib/libc/sys/getsockopt.2
@@ -34,7 +34,7 @@
.\"
.Dd May 2, 1995
.Dt GETSOCKOPT 2
-.Os BSD 4.3r
+.Os
.Sh NAME
.Nm getsockopt ,
.Nm setsockopt
diff --git a/lib/libc/sys/gettimeofday.2 b/lib/libc/sys/gettimeofday.2
index e6554cc211ce..6b8f3f614d0f 100644
--- a/lib/libc/sys/gettimeofday.2
+++ b/lib/libc/sys/gettimeofday.2
@@ -34,7 +34,7 @@
.\"
.Dd May 26, 1995
.Dt GETTIMEOFDAY 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm gettimeofday ,
.Nm settimeofday
diff --git a/lib/libc/sys/getuid.2 b/lib/libc/sys/getuid.2
index 01e464c14f68..1a762fed64b5 100644
--- a/lib/libc/sys/getuid.2
+++ b/lib/libc/sys/getuid.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt GETUID 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm getuid ,
.Nm geteuid
diff --git a/lib/libc/sys/intro.2 b/lib/libc/sys/intro.2
index e25c5ba437a6..07c1a023a34d 100644
--- a/lib/libc/sys/intro.2
+++ b/lib/libc/sys/intro.2
@@ -34,7 +34,7 @@
.\"
.Dd February 27, 1995
.Dt INTRO 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm intro
.Nd introduction to system calls and error numbers
diff --git a/lib/libc/sys/ioctl.2 b/lib/libc/sys/ioctl.2
index af5c85228403..5f75d4995c50 100644
--- a/lib/libc/sys/ioctl.2
+++ b/lib/libc/sys/ioctl.2
@@ -35,7 +35,7 @@
.\"
.Dd December 11, 1993
.Dt IOCTL 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm ioctl
.Nd control device
diff --git a/lib/libc/sys/jail.2 b/lib/libc/sys/jail.2
index e65eae6ba190..cc0df2a2e870 100644
--- a/lib/libc/sys/jail.2
+++ b/lib/libc/sys/jail.2
@@ -10,7 +10,7 @@
.\"
.Dd April 28, 1999
.Dt JAIL 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm jail
.Nd imprison current process and future decendants
diff --git a/lib/libc/sys/kill.2 b/lib/libc/sys/kill.2
index 5a7c05cb355e..e641fd9a0f96 100644
--- a/lib/libc/sys/kill.2
+++ b/lib/libc/sys/kill.2
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt KILL 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm kill
.Nd send signal to a process
diff --git a/lib/libc/sys/kldfind.2 b/lib/libc/sys/kldfind.2
index 78cd3be99310..aabd41d9403f 100644
--- a/lib/libc/sys/kldfind.2
+++ b/lib/libc/sys/kldfind.2
@@ -27,7 +27,7 @@
.\"
.Dd March 3, 1999
.Dt KLDFIND 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm kldfind
.Nd returns the fileid of a kld file
diff --git a/lib/libc/sys/kldfirstmod.2 b/lib/libc/sys/kldfirstmod.2
index 1474f637bd63..fe928b862cfe 100644
--- a/lib/libc/sys/kldfirstmod.2
+++ b/lib/libc/sys/kldfirstmod.2
@@ -27,7 +27,7 @@
.\"
.Dd March 3, 1999
.Dt KLDFIRSTMOD 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm kldfirstmod
.Nd "return first module id from the kld file specified"
diff --git a/lib/libc/sys/kldload.2 b/lib/libc/sys/kldload.2
index eb07468c07ed..f897c83d582d 100644
--- a/lib/libc/sys/kldload.2
+++ b/lib/libc/sys/kldload.2
@@ -27,7 +27,7 @@
.\"
.Dd March 3, 1999
.Dt KLDLOAD 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm kldload
.Nd load KLD files into the kernel
diff --git a/lib/libc/sys/kldnext.2 b/lib/libc/sys/kldnext.2
index cef9d0aae385..4ba8ca337565 100644
--- a/lib/libc/sys/kldnext.2
+++ b/lib/libc/sys/kldnext.2
@@ -27,7 +27,7 @@
.\"
.Dd March 3, 1999
.Dt KLDNEXT 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm kldnext
.Nd return the fileid of the next kld file
diff --git a/lib/libc/sys/kldstat.2 b/lib/libc/sys/kldstat.2
index 2617c00426ff..48469051e1c2 100644
--- a/lib/libc/sys/kldstat.2
+++ b/lib/libc/sys/kldstat.2
@@ -27,7 +27,7 @@
.\"
.Dd March 3, 1999
.Dt KLDSTAT 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm kldstat
.Nd get status of kld file
diff --git a/lib/libc/sys/kldunload.2 b/lib/libc/sys/kldunload.2
index 6ef3d3a94f39..38ab3222a40d 100644
--- a/lib/libc/sys/kldunload.2
+++ b/lib/libc/sys/kldunload.2
@@ -27,7 +27,7 @@
.\"
.Dd March 3, 1999
.Dt KLDUNLOAD 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm kldunload
.Nd unload kld files
diff --git a/lib/libc/sys/ktrace.2 b/lib/libc/sys/ktrace.2
index db4c2d335953..ded62e693e43 100644
--- a/lib/libc/sys/ktrace.2
+++ b/lib/libc/sys/ktrace.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt KTRACE 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm ktrace
.Nd process tracing
diff --git a/lib/libc/sys/link.2 b/lib/libc/sys/link.2
index 31f43efa049b..5ddc28b75f8e 100644
--- a/lib/libc/sys/link.2
+++ b/lib/libc/sys/link.2
@@ -34,7 +34,7 @@
.\"
.Dd March 5, 1999
.Dt LINK 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm link
.Nd make a hard file link
diff --git a/lib/libc/sys/listen.2 b/lib/libc/sys/listen.2
index e7cb79908963..fd67ca4bdd26 100644
--- a/lib/libc/sys/listen.2
+++ b/lib/libc/sys/listen.2
@@ -34,7 +34,7 @@
.\"
.Dd November 3, 1995
.Dt LISTEN 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm listen
.Nd listen for connections on a socket
diff --git a/lib/libc/sys/lseek.2 b/lib/libc/sys/lseek.2
index 5cc0f222240b..e16102537bc6 100644
--- a/lib/libc/sys/lseek.2
+++ b/lib/libc/sys/lseek.2
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt LSEEK 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm lseek
.Nd reposition read/write file offset
diff --git a/lib/libc/sys/mkdir.2 b/lib/libc/sys/mkdir.2
index 9e0e4459c4be..91374ce9f7cd 100644
--- a/lib/libc/sys/mkdir.2
+++ b/lib/libc/sys/mkdir.2
@@ -34,7 +34,7 @@
.\"
.Dd December 11, 1993
.Dt MKDIR 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm mkdir
.Nd make a directory file
diff --git a/lib/libc/sys/mknod.2 b/lib/libc/sys/mknod.2
index 0910beed21ed..27d48b09f741 100644
--- a/lib/libc/sys/mknod.2
+++ b/lib/libc/sys/mknod.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt MKNOD 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm mknod
.Nd make a special file node
diff --git a/lib/libc/sys/mmap.2 b/lib/libc/sys/mmap.2
index 2c2c5799a512..e9eb9d3b2a24 100644
--- a/lib/libc/sys/mmap.2
+++ b/lib/libc/sys/mmap.2
@@ -34,7 +34,7 @@
.\"
.Dd May 11, 1995
.Dt MMAP 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm mmap
.Nd allocate memory, or map files or devices into memory
diff --git a/lib/libc/sys/modfind.2 b/lib/libc/sys/modfind.2
index 9f8b7c92b37d..ad29f2ea74d6 100644
--- a/lib/libc/sys/modfind.2
+++ b/lib/libc/sys/modfind.2
@@ -27,7 +27,7 @@
.\"
.Dd September 28, 2000
.Dt MODFIND 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm modfind
.Nd returns the modid of a kernel module
diff --git a/lib/libc/sys/modnext.2 b/lib/libc/sys/modnext.2
index 399836a6eb21..972cd8fe38f7 100644
--- a/lib/libc/sys/modnext.2
+++ b/lib/libc/sys/modnext.2
@@ -27,7 +27,7 @@
.\"
.Dd September 28, 2000
.Dt MODNEXT 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm modnext
.Nd return the modid of the next kernel module
diff --git a/lib/libc/sys/mount.2 b/lib/libc/sys/mount.2
index b2c14d0f6893..efc33846c3f1 100644
--- a/lib/libc/sys/mount.2
+++ b/lib/libc/sys/mount.2
@@ -34,7 +34,7 @@
.\"
.Dd May 24, 1995
.Dt MOUNT 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm mount ,
.Nm unmount
diff --git a/lib/libc/sys/nanosleep.2 b/lib/libc/sys/nanosleep.2
index f272a9d583b3..0c4749f6f47d 100644
--- a/lib/libc/sys/nanosleep.2
+++ b/lib/libc/sys/nanosleep.2
@@ -37,7 +37,7 @@
.\"
.Dd April 17, 1997
.Dt NANOSLEEP 2
-.Os
+.Os
.Sh NAME
.Nm nanosleep
.Nd suspend process execution for an interval measured in nanoseconds
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index 82f6c8a67b25..feb05c117cae 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -34,7 +34,7 @@
.\"
.Dd November 16, 1993
.Dt OPEN 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm open
.Nd open or create a file for reading or writing
diff --git a/lib/libc/sys/pathconf.2 b/lib/libc/sys/pathconf.2
index a8797e64d5d9..90318c02b595 100644
--- a/lib/libc/sys/pathconf.2
+++ b/lib/libc/sys/pathconf.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt PATHCONF 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm pathconf ,
.Nm fpathconf
diff --git a/lib/libc/sys/pipe.2 b/lib/libc/sys/pipe.2
index e63f6cff9be9..0e0043f0d23f 100644
--- a/lib/libc/sys/pipe.2
+++ b/lib/libc/sys/pipe.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt PIPE 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm pipe
.Nd create descriptor pair for interprocess communication
diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2
index c91b2d1a5cee..29a853817709 100644
--- a/lib/libc/sys/ptrace.2
+++ b/lib/libc/sys/ptrace.2
@@ -4,7 +4,7 @@
.\" This file is in the public domain.
.Dd January 20, 1996
.Dt PTRACE 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm ptrace
.Nd process tracing and debugging
diff --git a/lib/libc/sys/read.2 b/lib/libc/sys/read.2
index c797b5b0df9a..90c8e78baf52 100644
--- a/lib/libc/sys/read.2
+++ b/lib/libc/sys/read.2
@@ -34,7 +34,7 @@
.\"
.Dd February 26, 1994
.Dt READ 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm read ,
.Nm readv ,
diff --git a/lib/libc/sys/readlink.2 b/lib/libc/sys/readlink.2
index 160686d4941b..4708594b4289 100644
--- a/lib/libc/sys/readlink.2
+++ b/lib/libc/sys/readlink.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt READLINK 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm readlink
.Nd read value of a symbolic link
diff --git a/lib/libc/sys/reboot.2 b/lib/libc/sys/reboot.2
index 411e689e1217..cf347452f910 100644
--- a/lib/libc/sys/reboot.2
+++ b/lib/libc/sys/reboot.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt REBOOT 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm reboot
.Nd reboot system or halt processor
diff --git a/lib/libc/sys/recv.2 b/lib/libc/sys/recv.2
index f9202cba33ea..7830d77e608b 100644
--- a/lib/libc/sys/recv.2
+++ b/lib/libc/sys/recv.2
@@ -34,7 +34,7 @@
.\"
.Dd February 21, 1994
.Dt RECV 2
-.Os BSD 4.3r
+.Os
.Sh NAME
.Nm recv ,
.Nm recvfrom ,
diff --git a/lib/libc/sys/rename.2 b/lib/libc/sys/rename.2
index 31678f597bc0..91bf125a5476 100644
--- a/lib/libc/sys/rename.2
+++ b/lib/libc/sys/rename.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt RENAME 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm rename
.Nd change the name of a file
diff --git a/lib/libc/sys/rmdir.2 b/lib/libc/sys/rmdir.2
index 523bc21e1b1a..d637c93e1681 100644
--- a/lib/libc/sys/rmdir.2
+++ b/lib/libc/sys/rmdir.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt RMDIR 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm rmdir
.Nd remove a directory file
diff --git a/lib/libc/sys/rtprio.2 b/lib/libc/sys/rtprio.2
index 517d1dda35b2..3f902c0b3fe8 100644
--- a/lib/libc/sys/rtprio.2
+++ b/lib/libc/sys/rtprio.2
@@ -31,7 +31,7 @@
.\"
.Dd July 23, 1994
.Dt RTPRIO 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm rtprio
.Nd examine or modify a process realtime or idle priority
diff --git a/lib/libc/sys/sched_get_priority_max.2 b/lib/libc/sys/sched_get_priority_max.2
index db06f5777d12..cebce154d233 100644
--- a/lib/libc/sys/sched_get_priority_max.2
+++ b/lib/libc/sys/sched_get_priority_max.2
@@ -25,7 +25,7 @@
.\"
.Dd March 12, 1998
.Dt SCHED_GET_PRIORITY_MAX 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm sched_get_priority_max ,
.Nm sched_get_priority_min ,
diff --git a/lib/libc/sys/sched_setparam.2 b/lib/libc/sys/sched_setparam.2
index 69d193e1a16e..d93711444386 100644
--- a/lib/libc/sys/sched_setparam.2
+++ b/lib/libc/sys/sched_setparam.2
@@ -25,7 +25,7 @@
.\"
.Dd March 12, 1998
.Dt SCHED_SETPARAM 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm sched_setparam ,
.Nm sched_getparam
diff --git a/lib/libc/sys/sched_setscheduler.2 b/lib/libc/sys/sched_setscheduler.2
index 0341f16b4708..ff3d5adc02b9 100644
--- a/lib/libc/sys/sched_setscheduler.2
+++ b/lib/libc/sys/sched_setscheduler.2
@@ -25,7 +25,7 @@
.\"
.Dd March 12, 1998
.Dt SCHED_SETSCHEDULER 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm sched_setscheduler ,
.Nm sched_getscheduler
diff --git a/lib/libc/sys/sched_yield.2 b/lib/libc/sys/sched_yield.2
index 41f0af3fc799..ed886c74e172 100644
--- a/lib/libc/sys/sched_yield.2
+++ b/lib/libc/sys/sched_yield.2
@@ -25,7 +25,7 @@
.\"
.Dd March 12, 1998
.Dt SCHED_YIELD 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm sched_yield
.Nd yield processor
diff --git a/lib/libc/sys/select.2 b/lib/libc/sys/select.2
index 16e6be2111e0..058041ff1caf 100644
--- a/lib/libc/sys/select.2
+++ b/lib/libc/sys/select.2
@@ -34,7 +34,7 @@
.\"
.Dd March 25, 1994
.Dt SELECT 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm select
.Nd synchronous I/O multiplexing
diff --git a/lib/libc/sys/semctl.2 b/lib/libc/sys/semctl.2
index 6fa120b3bd27..44465863e388 100644
--- a/lib/libc/sys/semctl.2
+++ b/lib/libc/sys/semctl.2
@@ -27,7 +27,7 @@
.\"
.Dd September 12, 1995
.Dt SEMCTL 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm semctl
.Nd control operations on a semaphore set
diff --git a/lib/libc/sys/semget.2 b/lib/libc/sys/semget.2
index dc22c0ac272f..b35db9f2b158 100644
--- a/lib/libc/sys/semget.2
+++ b/lib/libc/sys/semget.2
@@ -27,7 +27,7 @@
.\"
.Dd September 12, 1995
.Dt SEMGET 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm semget
.Nd obtain a semaphore id
diff --git a/lib/libc/sys/semop.2 b/lib/libc/sys/semop.2
index faf0224b1ef2..b029d3a0bf0f 100644
--- a/lib/libc/sys/semop.2
+++ b/lib/libc/sys/semop.2
@@ -27,7 +27,7 @@
.\"
.Dd September 22, 1995
.Dt SEMOP 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm semop
.Nd atomic array of operations on a semaphore set
diff --git a/lib/libc/sys/send.2 b/lib/libc/sys/send.2
index 1920059f3b12..f5749ee6ca0f 100644
--- a/lib/libc/sys/send.2
+++ b/lib/libc/sys/send.2
@@ -34,7 +34,7 @@
.\"
.Dd February 15, 1995
.Dt SEND 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm send ,
.Nm sendto ,
diff --git a/lib/libc/sys/setgroups.2 b/lib/libc/sys/setgroups.2
index 43726bbdda65..0974f93b8e85 100644
--- a/lib/libc/sys/setgroups.2
+++ b/lib/libc/sys/setgroups.2
@@ -34,7 +34,7 @@
.\"
.Dd April 16, 1994
.Dt SETGROUPS 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm setgroups
.Nd set group access list
diff --git a/lib/libc/sys/setpgid.2 b/lib/libc/sys/setpgid.2
index 0db4d2871831..c5c8cecd53a7 100644
--- a/lib/libc/sys/setpgid.2
+++ b/lib/libc/sys/setpgid.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SETPGID 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm setpgid ,
.Nm setpgrp
diff --git a/lib/libc/sys/setregid.2 b/lib/libc/sys/setregid.2
index f796856c6d3e..358920bcc7c7 100644
--- a/lib/libc/sys/setregid.2
+++ b/lib/libc/sys/setregid.2
@@ -34,7 +34,7 @@
.\"
.Dd April 16, 1994
.Dt SETREGID 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm setregid
.Nd set real and effective group ID
diff --git a/lib/libc/sys/setreuid.2 b/lib/libc/sys/setreuid.2
index af8965fe17bb..102d32bca6a1 100644
--- a/lib/libc/sys/setreuid.2
+++ b/lib/libc/sys/setreuid.2
@@ -34,7 +34,7 @@
.\"
.Dd February 8, 2001
.Dt SETREUID 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm setreuid
.Nd set real and effective user ID's
diff --git a/lib/libc/sys/setuid.2 b/lib/libc/sys/setuid.2
index e9cccd7e9b60..9374e93447e6 100644
--- a/lib/libc/sys/setuid.2
+++ b/lib/libc/sys/setuid.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SETUID 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm setuid ,
.Nm seteuid ,
diff --git a/lib/libc/sys/shmat.2 b/lib/libc/sys/shmat.2
index 31408473c659..3c3e40fd3c06 100644
--- a/lib/libc/sys/shmat.2
+++ b/lib/libc/sys/shmat.2
@@ -27,7 +27,7 @@
.\"
.Dd August 2, 1995
.Dt SHMAT 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm shmat ,
.Nm shmdt
diff --git a/lib/libc/sys/shmctl.2 b/lib/libc/sys/shmctl.2
index 9b5e8763808c..9288bb5ce547 100644
--- a/lib/libc/sys/shmctl.2
+++ b/lib/libc/sys/shmctl.2
@@ -27,7 +27,7 @@
.\"
.Dd July 17, 1995
.Dt SHMCTL 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm shmctl
.Nd shared memory control
diff --git a/lib/libc/sys/shmget.2 b/lib/libc/sys/shmget.2
index 05bc68cf66fe..bf0bb588f612 100644
--- a/lib/libc/sys/shmget.2
+++ b/lib/libc/sys/shmget.2
@@ -27,7 +27,7 @@
.\"
.Dd July 3, 1995
.Dt SHMGET 2
-.Os FreeBSD
+.Os
.Sh NAME
.Nm shmget
.Nd obtain a shared memory identifier
diff --git a/lib/libc/sys/sigaltstack.2 b/lib/libc/sys/sigaltstack.2
index b7f8d3a810c7..171cafc66cac 100644
--- a/lib/libc/sys/sigaltstack.2
+++ b/lib/libc/sys/sigaltstack.2
@@ -34,7 +34,7 @@
.\"
.Dd May 1, 1995
.Dt SIGALTSTACK 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm sigaltstack
.Nd set and/or get signal stack context
diff --git a/lib/libc/sys/sigreturn.2 b/lib/libc/sys/sigreturn.2
index c5185fea7ea2..674f45322b43 100644
--- a/lib/libc/sys/sigreturn.2
+++ b/lib/libc/sys/sigreturn.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SIGRETURN 2
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm sigreturn
.Nd return from signal
diff --git a/lib/libc/sys/sigstack.2 b/lib/libc/sys/sigstack.2
index 4726fd95bca7..61f58dbef050 100644
--- a/lib/libc/sys/sigstack.2
+++ b/lib/libc/sys/sigstack.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SIGSTACK 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm sigstack
.Nd set and/or get signal stack context
diff --git a/lib/libc/sys/socket.2 b/lib/libc/sys/socket.2
index a3fb618a84fd..ef98bf580681 100644
--- a/lib/libc/sys/socket.2
+++ b/lib/libc/sys/socket.2
@@ -34,7 +34,7 @@
.\"
.Dd November 24, 1997
.Dt SOCKET 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm socket
.Nd create an endpoint for communication
diff --git a/lib/libc/sys/socketpair.2 b/lib/libc/sys/socketpair.2
index ae4c337e7427..1c5a15f391b2 100644
--- a/lib/libc/sys/socketpair.2
+++ b/lib/libc/sys/socketpair.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SOCKETPAIR 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm socketpair
.Nd create a pair of connected sockets
diff --git a/lib/libc/sys/stat.2 b/lib/libc/sys/stat.2
index e611913cc4c9..f65c97001bcd 100644
--- a/lib/libc/sys/stat.2
+++ b/lib/libc/sys/stat.2
@@ -34,7 +34,7 @@
.\"
.Dd May 1, 1995
.Dt STAT 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm stat ,
.Nm lstat ,
diff --git a/lib/libc/sys/swapon.2 b/lib/libc/sys/swapon.2
index 998d9a462510..1eb2b0545cb1 100644
--- a/lib/libc/sys/swapon.2
+++ b/lib/libc/sys/swapon.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SWAPON 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm swapon
.Nd add a swap device for interleaved paging/swapping
diff --git a/lib/libc/sys/symlink.2 b/lib/libc/sys/symlink.2
index 92e1849a2c22..ea3ca385b755 100644
--- a/lib/libc/sys/symlink.2
+++ b/lib/libc/sys/symlink.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SYMLINK 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm symlink
.Nd make symbolic link to a file
diff --git a/lib/libc/sys/sync.2 b/lib/libc/sys/sync.2
index 9e88b6bf2f7d..f5e112cfe639 100644
--- a/lib/libc/sys/sync.2
+++ b/lib/libc/sys/sync.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt SYNC 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm sync
.Nd "schedule filesystem updates"
diff --git a/lib/libc/sys/syscall.2 b/lib/libc/sys/syscall.2
index f30e2ff6f22a..ea8d639cd3cb 100644
--- a/lib/libc/sys/syscall.2
+++ b/lib/libc/sys/syscall.2
@@ -34,7 +34,7 @@
.\"
.Dd June 16, 1993
.Dt SYSCALL 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm syscall ,
.Nm __syscall
diff --git a/lib/libc/sys/truncate.2 b/lib/libc/sys/truncate.2
index 7456adce6993..fb3311f494fa 100644
--- a/lib/libc/sys/truncate.2
+++ b/lib/libc/sys/truncate.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt TRUNCATE 2
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm truncate ,
.Nm ftruncate
diff --git a/lib/libc/sys/umask.2 b/lib/libc/sys/umask.2
index eb6064edc20d..4e7815bf2050 100644
--- a/lib/libc/sys/umask.2
+++ b/lib/libc/sys/umask.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt UMASK 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm umask
.Nd set file creation mode mask
diff --git a/lib/libc/sys/undelete.2 b/lib/libc/sys/undelete.2
index be92affe77f6..b9ba8af6e11b 100644
--- a/lib/libc/sys/undelete.2
+++ b/lib/libc/sys/undelete.2
@@ -35,7 +35,7 @@
.\"
.Dd October 18, 1994
.Dt UNDELETE 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm undelete
.Nd attempt to recover a deleted file
diff --git a/lib/libc/sys/unlink.2 b/lib/libc/sys/unlink.2
index 15fe8444af6f..c547825a0ad3 100644
--- a/lib/libc/sys/unlink.2
+++ b/lib/libc/sys/unlink.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt UNLINK 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm unlink
.Nd remove directory entry
diff --git a/lib/libc/sys/vfork.2 b/lib/libc/sys/vfork.2
index 838fdc51fd05..91a28ee291e1 100644
--- a/lib/libc/sys/vfork.2
+++ b/lib/libc/sys/vfork.2
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt VFORK 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm vfork
.Nd spawn new process in a virtual memory efficient way
diff --git a/lib/libc/sys/wait.2 b/lib/libc/sys/wait.2
index 598597e98c5d..3fa5c2bbfb14 100644
--- a/lib/libc/sys/wait.2
+++ b/lib/libc/sys/wait.2
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt WAIT 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm wait ,
.Nm waitpid ,
diff --git a/lib/libc/sys/write.2 b/lib/libc/sys/write.2
index a306cc1cc770..255447d50e00 100644
--- a/lib/libc/sys/write.2
+++ b/lib/libc/sys/write.2
@@ -34,7 +34,7 @@
.\"
.Dd April 2, 1994
.Dt WRITE 2
-.Os BSD 4
+.Os
.Sh NAME
.Nm write ,
.Nm writev ,
diff --git a/lib/libc_r/man/pthread_cleanup_pop.3 b/lib/libc_r/man/pthread_cleanup_pop.3
index 3cefb6132299..38fc46ca05fd 100644
--- a/lib/libc_r/man/pthread_cleanup_pop.3
+++ b/lib/libc_r/man/pthread_cleanup_pop.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_CLEANUP_POP 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cleanup_pop
.Nd call the first cleanup routine
diff --git a/lib/libc_r/man/pthread_cleanup_push.3 b/lib/libc_r/man/pthread_cleanup_push.3
index 70ee964f6b96..5cc2a1e0cb79 100644
--- a/lib/libc_r/man/pthread_cleanup_push.3
+++ b/lib/libc_r/man/pthread_cleanup_push.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_CLEANUP_PUSH 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cleanup_push
.Nd add a cleanup function for thread exit
diff --git a/lib/libc_r/man/pthread_cond_broadcast.3 b/lib/libc_r/man/pthread_cond_broadcast.3
index 5a5f1a899459..f881886ed6cc 100644
--- a/lib/libc_r/man/pthread_cond_broadcast.3
+++ b/lib/libc_r/man/pthread_cond_broadcast.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_BROADCAST 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_broadcast
.Nd unblock all threads waiting for a condition variable
diff --git a/lib/libc_r/man/pthread_cond_destroy.3 b/lib/libc_r/man/pthread_cond_destroy.3
index fb93c07ea3d4..4ac17f951623 100644
--- a/lib/libc_r/man/pthread_cond_destroy.3
+++ b/lib/libc_r/man/pthread_cond_destroy.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_DESTROY 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_destroy
.Nd destroy a condition variable
diff --git a/lib/libc_r/man/pthread_cond_init.3 b/lib/libc_r/man/pthread_cond_init.3
index 4c7a637cede5..5339f38259a0 100644
--- a/lib/libc_r/man/pthread_cond_init.3
+++ b/lib/libc_r/man/pthread_cond_init.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_INIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_init
.Nd create a condition variable
diff --git a/lib/libc_r/man/pthread_cond_signal.3 b/lib/libc_r/man/pthread_cond_signal.3
index 540b84c8f4b4..654d5a803122 100644
--- a/lib/libc_r/man/pthread_cond_signal.3
+++ b/lib/libc_r/man/pthread_cond_signal.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_SIGNAL 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_signal
.Nd unblock a thread waiting for a condition variable
diff --git a/lib/libc_r/man/pthread_cond_timedwait.3 b/lib/libc_r/man/pthread_cond_timedwait.3
index 1d0fe70d5204..b0c56e80fe3a 100644
--- a/lib/libc_r/man/pthread_cond_timedwait.3
+++ b/lib/libc_r/man/pthread_cond_timedwait.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_TIMEDWAIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_timedwait
.Nd "wait on a condition variable for a specific amount of time"
diff --git a/lib/libc_r/man/pthread_cond_wait.3 b/lib/libc_r/man/pthread_cond_wait.3
index abe44c72565b..e9fde91842f8 100644
--- a/lib/libc_r/man/pthread_cond_wait.3
+++ b/lib/libc_r/man/pthread_cond_wait.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_WAIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_wait
.Nd wait on a condition variable
diff --git a/lib/libc_r/man/pthread_create.3 b/lib/libc_r/man/pthread_create.3
index 2dae2a1f657e..5f2d24ce8ed3 100644
--- a/lib/libc_r/man/pthread_create.3
+++ b/lib/libc_r/man/pthread_create.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_CREATE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_create
.Nd create a new thread
diff --git a/lib/libc_r/man/pthread_detach.3 b/lib/libc_r/man/pthread_detach.3
index fed4483de8ef..75c9d42f08c4 100644
--- a/lib/libc_r/man/pthread_detach.3
+++ b/lib/libc_r/man/pthread_detach.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_DETACH 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_detach
.Nd detach a thread
diff --git a/lib/libc_r/man/pthread_equal.3 b/lib/libc_r/man/pthread_equal.3
index d08111038c8a..be55e90b46ba 100644
--- a/lib/libc_r/man/pthread_equal.3
+++ b/lib/libc_r/man/pthread_equal.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_EQUAL 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_equal
.Nd compare thread IDs
diff --git a/lib/libc_r/man/pthread_exit.3 b/lib/libc_r/man/pthread_exit.3
index a21f6dc3a9ff..5f6f75bd5212 100644
--- a/lib/libc_r/man/pthread_exit.3
+++ b/lib/libc_r/man/pthread_exit.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_EXIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_exit
.Nd terminate the calling thread
diff --git a/lib/libc_r/man/pthread_getspecific.3 b/lib/libc_r/man/pthread_getspecific.3
index 4bcb0d9b50d9..c003f3fca894 100644
--- a/lib/libc_r/man/pthread_getspecific.3
+++ b/lib/libc_r/man/pthread_getspecific.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_GETSPECIFIC 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_getspecific
.Nd get a thread-specific data value
diff --git a/lib/libc_r/man/pthread_join.3 b/lib/libc_r/man/pthread_join.3
index 3a68895fc5f2..f8e8e18a2fea 100644
--- a/lib/libc_r/man/pthread_join.3
+++ b/lib/libc_r/man/pthread_join.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_JOIN 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_join
.Nd wait for thread termination
diff --git a/lib/libc_r/man/pthread_key_create.3 b/lib/libc_r/man/pthread_key_create.3
index dcafc0c52113..d1fb92216949 100644
--- a/lib/libc_r/man/pthread_key_create.3
+++ b/lib/libc_r/man/pthread_key_create.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_KEY_CREATE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_key_create
.Nd thread-specific data key creation
diff --git a/lib/libc_r/man/pthread_key_delete.3 b/lib/libc_r/man/pthread_key_delete.3
index 06447e07abc0..9baa5020f12b 100644
--- a/lib/libc_r/man/pthread_key_delete.3
+++ b/lib/libc_r/man/pthread_key_delete.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_KEY_DELETE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_key_delete
.Nd delete a thread-specific data key
diff --git a/lib/libc_r/man/pthread_mutex_destroy.3 b/lib/libc_r/man/pthread_mutex_destroy.3
index 0bb44d01d075..f7b915d82820 100644
--- a/lib/libc_r/man/pthread_mutex_destroy.3
+++ b/lib/libc_r/man/pthread_mutex_destroy.3
@@ -29,7 +29,7 @@
.\"
.Dd July 29, 1998
.Dt PTHREAD_MUTEX_DESTROY 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_destroy
.Nd free resources allocated for a mutex
diff --git a/lib/libc_r/man/pthread_mutex_init.3 b/lib/libc_r/man/pthread_mutex_init.3
index 7d25baf41b55..42b3a26a61f9 100644
--- a/lib/libc_r/man/pthread_mutex_init.3
+++ b/lib/libc_r/man/pthread_mutex_init.3
@@ -29,7 +29,7 @@
.\"
.Dd July 29, 1998
.Dt PTHREAD_MUTEX_INIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_init
.Nd create a mutex
diff --git a/lib/libc_r/man/pthread_mutex_lock.3 b/lib/libc_r/man/pthread_mutex_lock.3
index 82dfaadf731b..972d277eade4 100644
--- a/lib/libc_r/man/pthread_mutex_lock.3
+++ b/lib/libc_r/man/pthread_mutex_lock.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_MUTEX_LOCK 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_lock
.Nd lock a mutex
diff --git a/lib/libc_r/man/pthread_mutex_trylock.3 b/lib/libc_r/man/pthread_mutex_trylock.3
index fa3bdf87a8c4..143df146702c 100644
--- a/lib/libc_r/man/pthread_mutex_trylock.3
+++ b/lib/libc_r/man/pthread_mutex_trylock.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_MUTEX_TRYLOCK 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_trylock
.Nd attempt to lock a mutex without blocking
diff --git a/lib/libc_r/man/pthread_mutex_unlock.3 b/lib/libc_r/man/pthread_mutex_unlock.3
index e873be9904fa..93e635496ec6 100644
--- a/lib/libc_r/man/pthread_mutex_unlock.3
+++ b/lib/libc_r/man/pthread_mutex_unlock.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_MUTEX_UNLOCK 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_unlock
.Nd unlock a mutex
diff --git a/lib/libc_r/man/pthread_once.3 b/lib/libc_r/man/pthread_once.3
index f3621d9a4894..736e32e94e2e 100644
--- a/lib/libc_r/man/pthread_once.3
+++ b/lib/libc_r/man/pthread_once.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_ONCE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_once
.Nd dynamic package initialization
diff --git a/lib/libc_r/man/pthread_self.3 b/lib/libc_r/man/pthread_self.3
index 9723b5eebdc1..acd46e9955b7 100644
--- a/lib/libc_r/man/pthread_self.3
+++ b/lib/libc_r/man/pthread_self.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_SELF 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_self
.Nd get the calling thread's ID
diff --git a/lib/libc_r/man/pthread_setspecific.3 b/lib/libc_r/man/pthread_setspecific.3
index 698c3ca807c5..5265def7e7f1 100644
--- a/lib/libc_r/man/pthread_setspecific.3
+++ b/lib/libc_r/man/pthread_setspecific.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_SETSPECIFIC 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_setspecific
.Nd set a thread-specific data value
diff --git a/lib/libcam/cam.3 b/lib/libcam/cam.3
index c774a6601b38..fd838d35f4d0 100644
--- a/lib/libcam/cam.3
+++ b/lib/libcam/cam.3
@@ -28,7 +28,7 @@
.\" $FreeBSD$
.\"
.Dd October 10, 1998
-.Os FreeBSD
+.Os
.Dt CAM 3
.Sh NAME
.Nm cam_open_device ,
diff --git a/lib/libcam/cam_cdbparse.3 b/lib/libcam/cam_cdbparse.3
index 9f7a80c5ac8f..741afb533732 100644
--- a/lib/libcam/cam_cdbparse.3
+++ b/lib/libcam/cam_cdbparse.3
@@ -62,7 +62,7 @@
.\"
.\"
.Dd October 13, 1998
-.Os FreeBSD
+.Os
.Dt CAM_CDBPARSE 3
.Sh NAME
.Nm csio_build ,
diff --git a/lib/libcompat/4.1/ftime.3 b/lib/libcompat/4.1/ftime.3
index 3e573df3199a..4896fa035379 100644
--- a/lib/libcompat/4.1/ftime.3
+++ b/lib/libcompat/4.1/ftime.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt FTIME 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm ftime
.Nd get date and time
diff --git a/lib/libcompat/4.1/stty.3 b/lib/libcompat/4.1/stty.3
index 6c6bb882a864..95b6589e79ce 100644
--- a/lib/libcompat/4.1/stty.3
+++ b/lib/libcompat/4.1/stty.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt STTY 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm stty ,
.Nm gtty
diff --git a/lib/libcompat/4.3/insque.3 b/lib/libcompat/4.3/insque.3
index e2adae1984a1..29ea3f425311 100644
--- a/lib/libcompat/4.3/insque.3
+++ b/lib/libcompat/4.3/insque.3
@@ -34,7 +34,7 @@
.\"
.Dd December 11, 1993
.Dt INSQUE 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm insque ,
.Nm remque
diff --git a/lib/libcompat/4.3/rexec.3 b/lib/libcompat/4.3/rexec.3
index baa460102cd2..a1b2a89ace37 100644
--- a/lib/libcompat/4.3/rexec.3
+++ b/lib/libcompat/4.3/rexec.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt REXEC 3
-.Os BSD 4.2
+.Os
.Sh NAME
.Nm rexec
.Nd return stream to a remote command
diff --git a/lib/libcrypt/crypt.3 b/lib/libcrypt/crypt.3
index d1e99ffc2d0d..01222d2c7fa6 100644
--- a/lib/libcrypt/crypt.3
+++ b/lib/libcrypt/crypt.3
@@ -33,7 +33,7 @@
.\"
.Dd January 19, 1997
.Dt CRYPT 3
-.Os "FreeSec 1.0"
+.Os
.Sh NAME
.Nm crypt
.Nd Trapdoor encryption
diff --git a/lib/libdevstat/devstat.3 b/lib/libdevstat/devstat.3
index 67e06e825371..c7418a756384 100644
--- a/lib/libdevstat/devstat.3
+++ b/lib/libdevstat/devstat.3
@@ -29,7 +29,7 @@
.\"
.Dd May 21, 1998
.Dt DEVSTAT 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm devstat ,
.Nm getnumdevs ,
diff --git a/lib/libedit/editline.3 b/lib/libedit/editline.3
index e9688183776b..ab744ef1f736 100644
--- a/lib/libedit/editline.3
+++ b/lib/libedit/editline.3
@@ -36,7 +36,7 @@
.\" $FreeBSD$
.\"
.Dd January 11, 1997
-.Os BSD 4.4
+.Os
.Dt EDITLINE 3
.Sh NAME
.Nm editline ,
diff --git a/lib/libedit/editrc.5 b/lib/libedit/editrc.5
index 25c0a6f5d215..62d993c7757f 100644
--- a/lib/libedit/editrc.5
+++ b/lib/libedit/editrc.5
@@ -36,7 +36,7 @@
.\" $FreeBSD$
.\"
.Dd January 11, 1997
-.Os BSD 4.4
+.Os
.Dt EDITRC 5
.Sh NAME
.Nm editrc
diff --git a/lib/libipx/ipx.3 b/lib/libipx/ipx.3
index 89f08789cd13..bec7649307c9 100644
--- a/lib/libipx/ipx.3
+++ b/lib/libipx/ipx.3
@@ -33,7 +33,7 @@
.\"
.Dd June 4, 1993
.Dt IPX 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm ipx_addr ,
.Nm ipx_ntoa
diff --git a/lib/libm/common_source/acosh.3 b/lib/libm/common_source/acosh.3
index 49dd7b2bcf4e..a0b849850091 100644
--- a/lib/libm/common_source/acosh.3
+++ b/lib/libm/common_source/acosh.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt ACOSH 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm acosh
.Nd inverse hyperbolic cosine function
diff --git a/lib/libm/common_source/asinh.3 b/lib/libm/common_source/asinh.3
index fbf8f163f218..a69e00fa7157 100644
--- a/lib/libm/common_source/asinh.3
+++ b/lib/libm/common_source/asinh.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt ASINH 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm asinh
.Nd inverse hyperbolic sine function
diff --git a/lib/libm/common_source/atanh.3 b/lib/libm/common_source/atanh.3
index 25bdd4d9fcb4..db67a382bd39 100644
--- a/lib/libm/common_source/atanh.3
+++ b/lib/libm/common_source/atanh.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt ATANH 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm atanh
.Nd inverse hyperbolic tangent function
diff --git a/lib/libm/common_source/erf.3 b/lib/libm/common_source/erf.3
index 4c7391c5847c..442a1b3c4782 100644
--- a/lib/libm/common_source/erf.3
+++ b/lib/libm/common_source/erf.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt ERF 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm erf ,
.Nm erfc
diff --git a/lib/libm/common_source/exp.3 b/lib/libm/common_source/exp.3
index 10de794495fd..3c8a5aa6da2a 100644
--- a/lib/libm/common_source/exp.3
+++ b/lib/libm/common_source/exp.3
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt EXP 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm exp ,
.Nm expm1 ,
diff --git a/lib/libm/common_source/hypot.3 b/lib/libm/common_source/hypot.3
index 2f77bb0462a8..7c1b14aecc27 100644
--- a/lib/libm/common_source/hypot.3
+++ b/lib/libm/common_source/hypot.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt HYPOT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm hypot ,
.Nm cabs
diff --git a/lib/libm/common_source/ieee.3 b/lib/libm/common_source/ieee.3
index aaed641f7df4..c918418850b0 100644
--- a/lib/libm/common_source/ieee.3
+++ b/lib/libm/common_source/ieee.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt IEEE 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm copysign ,
.Nm drem ,
diff --git a/lib/libm/common_source/infnan.3 b/lib/libm/common_source/infnan.3
index 954f38258fa2..e4ca774cab75 100644
--- a/lib/libm/common_source/infnan.3
+++ b/lib/libm/common_source/infnan.3
@@ -34,7 +34,7 @@
.\"
.Dd June 4, 1993
.Dt INFNAN 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm infnan
.Nd signals invalid floating\-point operations on a
diff --git a/lib/libm/common_source/j0.3 b/lib/libm/common_source/j0.3
index 8fc32e8a5fa9..430619e8f6f7 100644
--- a/lib/libm/common_source/j0.3
+++ b/lib/libm/common_source/j0.3
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1994
.Dt J0 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm j0 ,
.Nm j1 ,
diff --git a/lib/libm/common_source/lgamma.3 b/lib/libm/common_source/lgamma.3
index 537b5b795e0e..feb5a86ad078 100644
--- a/lib/libm/common_source/lgamma.3
+++ b/lib/libm/common_source/lgamma.3
@@ -34,7 +34,7 @@
.\"
.Dd December 11, 1993
.Dt LGAMMA 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm lgamma
.Nm gamma
diff --git a/lib/libmd/mdX.3 b/lib/libmd/mdX.3
index 0a290c7360f9..2363200f29a0 100644
--- a/lib/libmd/mdX.3
+++ b/lib/libmd/mdX.3
@@ -10,7 +10,7 @@
.\"
.Dd February 11, 1999
.Dt MDX 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm MDXInit ,
.Nm MDXUpdate ,
diff --git a/lib/libmd/ripemd.3 b/lib/libmd/ripemd.3
index b43bde7c58e5..273a3bf1dda8 100644
--- a/lib/libmd/ripemd.3
+++ b/lib/libmd/ripemd.3
@@ -11,7 +11,7 @@
.\"
.Dd February 26, 1999
.Dt RIPEMD 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm RIPEMD160_Init ,
.Nm RIPEMD160_Update ,
diff --git a/lib/libmd/sha.3 b/lib/libmd/sha.3
index 6e546e6b8e18..16bf68eab334 100644
--- a/lib/libmd/sha.3
+++ b/lib/libmd/sha.3
@@ -11,7 +11,7 @@
.\"
.Dd February 25, 1999
.Dt SHA 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm SHA_Init ,
.Nm SHA_Update ,
diff --git a/lib/libnetgraph/netgraph.3 b/lib/libnetgraph/netgraph.3
index 0030e34dd5a7..92640fbfc6e2 100644
--- a/lib/libnetgraph/netgraph.3
+++ b/lib/libnetgraph/netgraph.3
@@ -37,7 +37,7 @@
.\"
.Dd January 19, 1999
.Dt NETGRAPH 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm NgMkSockNode ,
.Nm NgNameNode ,
diff --git a/lib/libpam/modules/pam_radius/pam_radius.8 b/lib/libpam/modules/pam_radius/pam_radius.8
index abe00954c828..240e1229e9b2 100644
--- a/lib/libpam/modules/pam_radius/pam_radius.8
+++ b/lib/libpam/modules/pam_radius/pam_radius.8
@@ -40,7 +40,7 @@
.\"
.Dd August 2, 1999
.Dt PAM_RADIUS 8
-.Os FreeBSD
+.Os
.Sh NAME
.Nm pam_radius
.Nd RADIUS authentication PAM module
diff --git a/lib/libpthread/man/pthread_cleanup_pop.3 b/lib/libpthread/man/pthread_cleanup_pop.3
index 3cefb6132299..38fc46ca05fd 100644
--- a/lib/libpthread/man/pthread_cleanup_pop.3
+++ b/lib/libpthread/man/pthread_cleanup_pop.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_CLEANUP_POP 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cleanup_pop
.Nd call the first cleanup routine
diff --git a/lib/libpthread/man/pthread_cleanup_push.3 b/lib/libpthread/man/pthread_cleanup_push.3
index 70ee964f6b96..5cc2a1e0cb79 100644
--- a/lib/libpthread/man/pthread_cleanup_push.3
+++ b/lib/libpthread/man/pthread_cleanup_push.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_CLEANUP_PUSH 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cleanup_push
.Nd add a cleanup function for thread exit
diff --git a/lib/libpthread/man/pthread_cond_broadcast.3 b/lib/libpthread/man/pthread_cond_broadcast.3
index 5a5f1a899459..f881886ed6cc 100644
--- a/lib/libpthread/man/pthread_cond_broadcast.3
+++ b/lib/libpthread/man/pthread_cond_broadcast.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_BROADCAST 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_broadcast
.Nd unblock all threads waiting for a condition variable
diff --git a/lib/libpthread/man/pthread_cond_destroy.3 b/lib/libpthread/man/pthread_cond_destroy.3
index fb93c07ea3d4..4ac17f951623 100644
--- a/lib/libpthread/man/pthread_cond_destroy.3
+++ b/lib/libpthread/man/pthread_cond_destroy.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_DESTROY 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_destroy
.Nd destroy a condition variable
diff --git a/lib/libpthread/man/pthread_cond_init.3 b/lib/libpthread/man/pthread_cond_init.3
index 4c7a637cede5..5339f38259a0 100644
--- a/lib/libpthread/man/pthread_cond_init.3
+++ b/lib/libpthread/man/pthread_cond_init.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_INIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_init
.Nd create a condition variable
diff --git a/lib/libpthread/man/pthread_cond_signal.3 b/lib/libpthread/man/pthread_cond_signal.3
index 540b84c8f4b4..654d5a803122 100644
--- a/lib/libpthread/man/pthread_cond_signal.3
+++ b/lib/libpthread/man/pthread_cond_signal.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_SIGNAL 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_signal
.Nd unblock a thread waiting for a condition variable
diff --git a/lib/libpthread/man/pthread_cond_timedwait.3 b/lib/libpthread/man/pthread_cond_timedwait.3
index 1d0fe70d5204..b0c56e80fe3a 100644
--- a/lib/libpthread/man/pthread_cond_timedwait.3
+++ b/lib/libpthread/man/pthread_cond_timedwait.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_TIMEDWAIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_timedwait
.Nd "wait on a condition variable for a specific amount of time"
diff --git a/lib/libpthread/man/pthread_cond_wait.3 b/lib/libpthread/man/pthread_cond_wait.3
index abe44c72565b..e9fde91842f8 100644
--- a/lib/libpthread/man/pthread_cond_wait.3
+++ b/lib/libpthread/man/pthread_cond_wait.3
@@ -29,7 +29,7 @@
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_WAIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_cond_wait
.Nd wait on a condition variable
diff --git a/lib/libpthread/man/pthread_create.3 b/lib/libpthread/man/pthread_create.3
index 2dae2a1f657e..5f2d24ce8ed3 100644
--- a/lib/libpthread/man/pthread_create.3
+++ b/lib/libpthread/man/pthread_create.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_CREATE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_create
.Nd create a new thread
diff --git a/lib/libpthread/man/pthread_detach.3 b/lib/libpthread/man/pthread_detach.3
index fed4483de8ef..75c9d42f08c4 100644
--- a/lib/libpthread/man/pthread_detach.3
+++ b/lib/libpthread/man/pthread_detach.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_DETACH 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_detach
.Nd detach a thread
diff --git a/lib/libpthread/man/pthread_equal.3 b/lib/libpthread/man/pthread_equal.3
index d08111038c8a..be55e90b46ba 100644
--- a/lib/libpthread/man/pthread_equal.3
+++ b/lib/libpthread/man/pthread_equal.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_EQUAL 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_equal
.Nd compare thread IDs
diff --git a/lib/libpthread/man/pthread_exit.3 b/lib/libpthread/man/pthread_exit.3
index a21f6dc3a9ff..5f6f75bd5212 100644
--- a/lib/libpthread/man/pthread_exit.3
+++ b/lib/libpthread/man/pthread_exit.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_EXIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_exit
.Nd terminate the calling thread
diff --git a/lib/libpthread/man/pthread_getspecific.3 b/lib/libpthread/man/pthread_getspecific.3
index 4bcb0d9b50d9..c003f3fca894 100644
--- a/lib/libpthread/man/pthread_getspecific.3
+++ b/lib/libpthread/man/pthread_getspecific.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_GETSPECIFIC 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_getspecific
.Nd get a thread-specific data value
diff --git a/lib/libpthread/man/pthread_join.3 b/lib/libpthread/man/pthread_join.3
index 3a68895fc5f2..f8e8e18a2fea 100644
--- a/lib/libpthread/man/pthread_join.3
+++ b/lib/libpthread/man/pthread_join.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_JOIN 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_join
.Nd wait for thread termination
diff --git a/lib/libpthread/man/pthread_key_create.3 b/lib/libpthread/man/pthread_key_create.3
index dcafc0c52113..d1fb92216949 100644
--- a/lib/libpthread/man/pthread_key_create.3
+++ b/lib/libpthread/man/pthread_key_create.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_KEY_CREATE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_key_create
.Nd thread-specific data key creation
diff --git a/lib/libpthread/man/pthread_key_delete.3 b/lib/libpthread/man/pthread_key_delete.3
index 06447e07abc0..9baa5020f12b 100644
--- a/lib/libpthread/man/pthread_key_delete.3
+++ b/lib/libpthread/man/pthread_key_delete.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_KEY_DELETE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_key_delete
.Nd delete a thread-specific data key
diff --git a/lib/libpthread/man/pthread_mutex_destroy.3 b/lib/libpthread/man/pthread_mutex_destroy.3
index 0bb44d01d075..f7b915d82820 100644
--- a/lib/libpthread/man/pthread_mutex_destroy.3
+++ b/lib/libpthread/man/pthread_mutex_destroy.3
@@ -29,7 +29,7 @@
.\"
.Dd July 29, 1998
.Dt PTHREAD_MUTEX_DESTROY 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_destroy
.Nd free resources allocated for a mutex
diff --git a/lib/libpthread/man/pthread_mutex_init.3 b/lib/libpthread/man/pthread_mutex_init.3
index 7d25baf41b55..42b3a26a61f9 100644
--- a/lib/libpthread/man/pthread_mutex_init.3
+++ b/lib/libpthread/man/pthread_mutex_init.3
@@ -29,7 +29,7 @@
.\"
.Dd July 29, 1998
.Dt PTHREAD_MUTEX_INIT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_init
.Nd create a mutex
diff --git a/lib/libpthread/man/pthread_mutex_lock.3 b/lib/libpthread/man/pthread_mutex_lock.3
index 82dfaadf731b..972d277eade4 100644
--- a/lib/libpthread/man/pthread_mutex_lock.3
+++ b/lib/libpthread/man/pthread_mutex_lock.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_MUTEX_LOCK 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_lock
.Nd lock a mutex
diff --git a/lib/libpthread/man/pthread_mutex_trylock.3 b/lib/libpthread/man/pthread_mutex_trylock.3
index fa3bdf87a8c4..143df146702c 100644
--- a/lib/libpthread/man/pthread_mutex_trylock.3
+++ b/lib/libpthread/man/pthread_mutex_trylock.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_MUTEX_TRYLOCK 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_trylock
.Nd attempt to lock a mutex without blocking
diff --git a/lib/libpthread/man/pthread_mutex_unlock.3 b/lib/libpthread/man/pthread_mutex_unlock.3
index e873be9904fa..93e635496ec6 100644
--- a/lib/libpthread/man/pthread_mutex_unlock.3
+++ b/lib/libpthread/man/pthread_mutex_unlock.3
@@ -29,7 +29,7 @@
.\"
.Dd July 30, 1998
.Dt PTHREAD_MUTEX_UNLOCK 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_mutex_unlock
.Nd unlock a mutex
diff --git a/lib/libpthread/man/pthread_once.3 b/lib/libpthread/man/pthread_once.3
index f3621d9a4894..736e32e94e2e 100644
--- a/lib/libpthread/man/pthread_once.3
+++ b/lib/libpthread/man/pthread_once.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_ONCE 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_once
.Nd dynamic package initialization
diff --git a/lib/libpthread/man/pthread_self.3 b/lib/libpthread/man/pthread_self.3
index 9723b5eebdc1..acd46e9955b7 100644
--- a/lib/libpthread/man/pthread_self.3
+++ b/lib/libpthread/man/pthread_self.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_SELF 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_self
.Nd get the calling thread's ID
diff --git a/lib/libpthread/man/pthread_setspecific.3 b/lib/libpthread/man/pthread_setspecific.3
index 698c3ca807c5..5265def7e7f1 100644
--- a/lib/libpthread/man/pthread_setspecific.3
+++ b/lib/libpthread/man/pthread_setspecific.3
@@ -32,7 +32,7 @@
.\"
.Dd April 4, 1996
.Dt PTHREAD_SETSPECIFIC 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm pthread_setspecific
.Nd set a thread-specific data value
diff --git a/lib/libradius/libradius.3 b/lib/libradius/libradius.3
index 56ee09da0cc3..7f55a3a044e3 100644
--- a/lib/libradius/libradius.3
+++ b/lib/libradius/libradius.3
@@ -26,7 +26,7 @@
.\"
.Dd October 30, 1999
.Dt LIBRADIUS 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm libradius
.Nd RADIUS client library
diff --git a/lib/libradius/radius.conf.5 b/lib/libradius/radius.conf.5
index 4ad3f8a7e5a7..d5ef42de752d 100644
--- a/lib/libradius/radius.conf.5
+++ b/lib/libradius/radius.conf.5
@@ -26,7 +26,7 @@
.\"
.Dd October 30, 1999
.Dt RADIUS.CONF 5
-.Os FreeBSD
+.Os
.Sh NAME
.Nm radius.conf
.Nd RADIUS client configuration file
diff --git a/lib/libstand/libstand.3 b/lib/libstand/libstand.3
index 626cf710ec0d..860438e1321a 100644
--- a/lib/libstand/libstand.3
+++ b/lib/libstand/libstand.3
@@ -26,7 +26,7 @@
.\"
.Dd June 22, 1998
.Dt LIBSTAND 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm libstand
.Nd support library for standalone executables
diff --git a/lib/libtacplus/libtacplus.3 b/lib/libtacplus/libtacplus.3
index ca83a8e00096..713db0119d9a 100644
--- a/lib/libtacplus/libtacplus.3
+++ b/lib/libtacplus/libtacplus.3
@@ -26,7 +26,7 @@
.\"
.Dd September 2, 1998
.Dt LIBTACPLUS 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm libtacplus
.Nd TACACS+ client library
diff --git a/lib/libtacplus/tacplus.conf.5 b/lib/libtacplus/tacplus.conf.5
index 315c06572b8c..be7af6133807 100644
--- a/lib/libtacplus/tacplus.conf.5
+++ b/lib/libtacplus/tacplus.conf.5
@@ -26,7 +26,7 @@
.\"
.Dd July 29, 1998
.Dt TACPLUS.CONF 5
-.Os FreeBSD
+.Os
.Sh NAME
.Nm tacplus.conf
.Nd TACACS+ client configuration file
diff --git a/lib/libutil/_secure_path.3 b/lib/libutil/_secure_path.3
index d4e316fed134..082328d9bcc3 100644
--- a/lib/libutil/_secure_path.3
+++ b/lib/libutil/_secure_path.3
@@ -20,7 +20,7 @@
.\" $FreeBSD$
.\"
.Dd May 2, 1997
-.Os FreeBSD
+.Os
.Dt _SECURE_PATH 3
.Sh NAME
.Nm _secure_path
diff --git a/lib/libutil/auth.conf.5 b/lib/libutil/auth.conf.5
index eb892c6fd616..df1e8f9969ba 100644
--- a/lib/libutil/auth.conf.5
+++ b/lib/libutil/auth.conf.5
@@ -15,7 +15,7 @@
.\"
.Dd October 7, 1998
.Dt AUTH.CONF 5
-.Os FreeBSD
+.Os
.Sh NAME
.Nm auth.conf
.Nd authentication capability database
diff --git a/lib/libutil/login.conf.5 b/lib/libutil/login.conf.5
index 3d3df0fa759f..64d49ab908d5 100644
--- a/lib/libutil/login.conf.5
+++ b/lib/libutil/login.conf.5
@@ -21,7 +21,7 @@
.\"
.Dd November 22, 1996
.Dt LOGIN.CONF 5
-.Os FreeBSD
+.Os
.Sh NAME
.Nm login.conf
.Nd login class capability database
diff --git a/lib/libutil/login_auth.3 b/lib/libutil/login_auth.3
index fb7039d7ee1c..0499b89c5a3b 100644
--- a/lib/libutil/login_auth.3
+++ b/lib/libutil/login_auth.3
@@ -20,7 +20,7 @@
.\" $FreeBSD$
.\"
.Dd December 29, 1996
-.Os FreeBSD
+.Os
.Dt LOGIN_AUTH 3
.Sh NAME
.\" .Nm authenticate
diff --git a/lib/libutil/login_cap.3 b/lib/libutil/login_cap.3
index 391d51f30e60..97f7f54749e9 100644
--- a/lib/libutil/login_cap.3
+++ b/lib/libutil/login_cap.3
@@ -20,7 +20,7 @@
.\" $FreeBSD$
.\"
.Dd December 27, 1996
-.Os FreeBSD
+.Os
.Dt LOGIN_CAP 3
.Sh NAME
.Nm login_close ,
diff --git a/lib/libutil/login_class.3 b/lib/libutil/login_class.3
index f88583510a39..16f994e7adaf 100644
--- a/lib/libutil/login_class.3
+++ b/lib/libutil/login_class.3
@@ -20,7 +20,7 @@
.\" $FreeBSD$
.\"
.Dd December 28, 1996
-.Os FreeBSD
+.Os
.Dt LOGIN_CLASS 3
.Sh NAME
.Nm setclasscontext ,
diff --git a/lib/libutil/login_ok.3 b/lib/libutil/login_ok.3
index 7242acc88eb1..817cc6bf0a9a 100644
--- a/lib/libutil/login_ok.3
+++ b/lib/libutil/login_ok.3
@@ -20,7 +20,7 @@
.\" $FreeBSD$
.\"
.Dd January 2, 1997
-.Os FreeBSD
+.Os
.Dt LOGIN_OK 3
.Sh NAME
.Nm auth_ttyok ,
diff --git a/lib/libutil/login_times.3 b/lib/libutil/login_times.3
index bdf66f344b7a..fff232aeb731 100644
--- a/lib/libutil/login_times.3
+++ b/lib/libutil/login_times.3
@@ -20,7 +20,7 @@
.\" $FreeBSD$
.\"
.Dd January 2, 1997
-.Os FreeBSD
+.Os
.Dt LOGIN_TIMES 3
.Sh NAME
.Nm parse_lt ,
diff --git a/lib/libvgl/vgl.3 b/lib/libvgl/vgl.3
index a38746edebeb..19a4a39180c3 100644
--- a/lib/libvgl/vgl.3
+++ b/lib/libvgl/vgl.3
@@ -27,7 +27,7 @@
.\" $FreeBSD$
.Dd November 7, 1999
.Dt VGL 3
-.Os FreeBSD
+.Os
.Sh NAME
.Nm VGLBitmapAllocateBits ,
.Nm VGLBitmapCopy ,
diff --git a/lib/msun/man/acosh.3 b/lib/msun/man/acosh.3
index b7d9f7b047c3..0b4961fe6ec3 100644
--- a/lib/msun/man/acosh.3
+++ b/lib/msun/man/acosh.3
@@ -34,7 +34,7 @@
.\"
.Dd May 6, 1991
.Dt ACOSH 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm acosh ,
.Nm acoshf
diff --git a/lib/msun/man/asinh.3 b/lib/msun/man/asinh.3
index eb3f2f3616f4..00e431356ad9 100644
--- a/lib/msun/man/asinh.3
+++ b/lib/msun/man/asinh.3
@@ -34,7 +34,7 @@
.\"
.Dd May 6, 1991
.Dt ASINH 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm asinh ,
.Nm asinhf
diff --git a/lib/msun/man/atanh.3 b/lib/msun/man/atanh.3
index 6e770b41944e..95cea4dc9ecc 100644
--- a/lib/msun/man/atanh.3
+++ b/lib/msun/man/atanh.3
@@ -34,7 +34,7 @@
.\"
.Dd May 6, 1991
.Dt ATANH 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm atanh ,
.Nm atanhf
diff --git a/lib/msun/man/erf.3 b/lib/msun/man/erf.3
index 89c7cb4bda78..ba66892c20d1 100644
--- a/lib/msun/man/erf.3
+++ b/lib/msun/man/erf.3
@@ -34,7 +34,7 @@
.\"
.Dd April 20, 1991
.Dt ERF 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm erf ,
.Nm erff ,
diff --git a/lib/msun/man/exp.3 b/lib/msun/man/exp.3
index d453b10600a0..2ebaeb20f69a 100644
--- a/lib/msun/man/exp.3
+++ b/lib/msun/man/exp.3
@@ -34,7 +34,7 @@
.\"
.Dd July 31, 1991
.Dt EXP 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm exp ,
.Nm expf ,
diff --git a/lib/msun/man/hypot.3 b/lib/msun/man/hypot.3
index a139e3931e45..951e25355f6e 100644
--- a/lib/msun/man/hypot.3
+++ b/lib/msun/man/hypot.3
@@ -34,7 +34,7 @@
.\"
.Dd May 6, 1991
.Dt HYPOT 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm hypot ,
.Nm hypotf ,
diff --git a/lib/msun/man/ieee_test.3 b/lib/msun/man/ieee_test.3
index 44578daebba9..61b6418bfeb1 100644
--- a/lib/msun/man/ieee_test.3
+++ b/lib/msun/man/ieee_test.3
@@ -34,7 +34,7 @@
.\"
.Dd March 10, 1994
.Dt IEEE_TEST 3
-.Os
+.Os
.Sh NAME
.Nm logb ,
.Nm logbf ,
diff --git a/lib/msun/man/j0.3 b/lib/msun/man/j0.3
index 2aa024749e13..e743149a4c73 100644
--- a/lib/msun/man/j0.3
+++ b/lib/msun/man/j0.3
@@ -34,7 +34,7 @@
.\"
.Dd April 19, 1991
.Dt J0 3
-.Os BSD 4
+.Os
.Sh NAME
.Nm j0 ,
.Nm j0f ,
diff --git a/lib/msun/man/lgamma.3 b/lib/msun/man/lgamma.3
index 980099945cb8..eb3d34baafe4 100644
--- a/lib/msun/man/lgamma.3
+++ b/lib/msun/man/lgamma.3
@@ -34,7 +34,7 @@
.\"
.Dd December 3, 1992
.Dt LGAMMA 3
-.Os BSD 4.3
+.Os
.Sh NAME
.Nm lgamma ,
.Nm lgammaf ,