--- Libc/Libc-498/gen/ttyname.3
+++ /dev/null
@@ -1,135 +0,0 @@
-.\" Copyright (c) 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
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-.\" 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
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-.\"
-.\"     @(#)ttyname.3	8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/gen/ttyname.3,v 1.10 2002/12/18 13:33:02 ru Exp $
-.\"
-.Dd June 4, 1993
-.Dt TTYNAME 3
-.Os
-.Sh NAME
-.Nm isatty ,
-.Nm ttyname ,
-.Nm ttyslot
-.Nd get name of associated terminal (tty) from file descriptor
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In unistd.h
-.Ft int
-.Fo isatty
-.Fa "int fildes"
-.Fc
-.Ft char *
-.Fo ttyname
-.Fa "int fildes"
-.Fc
-.Ft int
-.Fo ttyslot
-.Fa void
-.Fc
-.Sh DESCRIPTION
-These functions operate on the system file descriptors for terminal
-type devices.
-These descriptors are not related to the standard
-.Tn I/O
-.Dv FILE
-typedef, but refer to the special device files found in
-.Pa /dev
-and named
-.Pa /dev/tty Ns Ar xx
-and for which an entry exists
-in the initialization file
-.Pa /etc/ttys .
-(See
-.Xr ttys 5 . )
-.Pp
-The
-.Fn isatty
-function
-determines if the file descriptor
-.Fa fildes
-refers to a valid
-terminal type device.
-.Pp
-The
-.Fn ttyname
-function
-gets the related device name of
-a file descriptor for which
-.Fn isatty
-is true.
-.Pp
-The
-.Fn ttyslot
-function
-fetches the current process' control terminal number from the
-.Xr ttys 5
-file entry.
-.Sh RETURN VALUES
-The
-.Fn ttyname
-function
-returns the null terminated name if the device is found and
-.Fn isatty
-is true; otherwise, a
-.Dv NULL
-pointer is returned.
-.Pp
-The
-.Fn ttyslot
-function returns the unit number of the device file if found;
-otherwise, the value zero is returned.
-.Sh FILES
-.Bl -tag -width /etc/ttys -compact
-.It Pa /dev/\(**
-.It Pa /etc/ttys
-.El
-.Sh SEE ALSO
-.Xr ioctl 2 ,
-.Xr ttys 5
-.Sh HISTORY
-A
-.Fn isatty ,
-.Fn ttyname ,
-and
-.Fn ttyslot
-function
-appeared in
-.At v7 .
-.Sh BUGS
-The
-.Fn ttyname
-function leaves its result in an internal static object and returns
-a pointer to that object.
-Subsequent calls to
-.Fn ttyname
-will modify the same object.