--- Libc/Libc-1725.40.4/compat-43/sigblock.2
+++ /dev/null
@@ -1,87 +0,0 @@
-.\" Copyright (c) 1983, 1991, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"	This product includes software developed by the University of
-.\"	California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\"     @(#)sigblock.2	8.1 (Berkeley) 6/2/93
-.\" $FreeBSD: src/lib/libc/compat-43/sigblock.2,v 1.5.2.2 2001/12/21 10:07:08 ru Exp $
-.\"
-.Dd June 2, 1993
-.Dt SIGBLOCK 2
-.Os
-.Sh NAME
-.Nm sigblock
-.Nd block signals
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In signal.h
-.Ft int
-.Fn sigblock "int mask"
-.Ft int
-.Fn sigmask signum
-.Sh DESCRIPTION
-.Bf -symbolic
-This interface is made obsolete by
-.Xr sigprocmask 2 .
-.Ef
-.Pp
-.Fn Sigblock
-adds the signals specified in
-.Fa mask
-to the set of signals currently
-being blocked from delivery.
-Signals are blocked if the
-corresponding bit in
-.Fa mask
-is a 1; the macro
-.Fn sigmask
-is provided to construct the mask for a given
-.Fa signum .
-.Pp
-It is not possible to block
-.Dv SIGKILL
-or
-.Dv SIGSTOP ;
-this restriction is silently
-imposed by the system.
-.Sh RETURN VALUES
-The previous set of masked signals is returned.
-.Sh SEE ALSO
-.Xr kill 2 ,
-.Xr sigaction 2 ,
-.Xr sigprocmask 2 ,
-.Xr sigsetmask 2 ,
-.Xr sigsetops 3
-.Sh HISTORY
-The
-.Fn sigblock
-function call appeared in
-.Bx 4.2
-and has been deprecated.