--- Libc/Libc-583/sys/sem_unlink.2
+++ /dev/null
@@ -1,74 +0,0 @@
-.\"	$Darwin$
-.\"
-.\" Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
-.\"
-.\" @APPLE_LICENSE_HEADER_START@
-.\" 
-.\" The contents of this file constitute Original Code as defined in and
-.\" are subject to the Apple Public Source License Version 1.1 (the
-.\" "License").  You may not use this file except in compliance with the
-.\" License.  Please obtain a copy of the License at
-.\" http://www.apple.com/publicsource and read it before using this file.
-.\" 
-.\" This Original Code and all software distributed under the License are
-.\" distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
-.\" EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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-.\" @APPLE_LICENSE_HEADER_END@
-.\"
-.Dd June 8, 2000
-.Dt SEM_UNLINK 2
-.Os Darwin
-.Sh NAME
-.Nm sem_unlink
-.Nd remove a named semaphore
-.Sh SYNOPSIS
-.Fd #include <semaphore.h>
-.Ft int
-.Fn sem_unlink "const char *name"
-.Sh DESCRIPTION
-The named semaphore named
-.Fa name
-is removed.  If the semaphore is in use by other processes, then
-.Fa name
-is immediately disassociated with the semaphore, but the semaphore
-itself will not be removed until all references to it have been
-closed.  Subsequent calls to
-.Fn sem_open
-using
-.Fa name
-will refer to or create a new semaphore named
-.Fa name .
-.Pp
-If successful,
-.Fn sem_unlink
-will return 0.  Otherwise, -1 is returned and
-.Va errno
-is set, and the state of the semaphore is unchanged.
-.Sh ERRORS
-.Fn sem_unlink
-succeeds unless:
-.Bl -tag -width Er
-.It Bq Er EACCES
-Permission is denied to be remove the semaphore.
-.It Bq Er ENAMETOOLONG
-.Fa name
-exceeded
-.Dv SEM_NAME_LEN
-characters.
-.It Bq Er ENOENT
-The named semaphore does not exist.
-.El
-.Sh SEE ALSO
-.Xr sem_close 2 ,
-.Xr sem_open 2 ,
-.Xr semctl 2 ,
-.Xr semget 2 ,
-.Xr semop 2
-.Sh HISTORY
-.Fn sem_unlink
-is specified in the POSIX Realtime Extension (1003.1b-1993/1003.1i-1995).