NetBSD/lib/libcompat/4.1/stty.3

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.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
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.\" may be used to endorse or promote products derived from this software
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.\" from: @(#)stty.3 8.1 (Berkeley) 6/4/93
.\" $NetBSD: stty.3,v 1.9 2003/08/07 16:44:15 agc Exp $
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.\"
.Dd June 4, 1993
.Dt STTY 3
.Os
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.Sh NAME
.Nm stty ,
.Nm gtty
.Nd set and get terminal state (defunct)
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.Sh LIBRARY
.Lb libcompat
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.Sh SYNOPSIS
.In sgtty.h
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.Fn stty "int fd" "struct sgttyb *buf"
.Fn gtty "int fd" "struct sgttyb *buf"
.Sh DESCRIPTION
.Bf -symbolic
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These interfaces are obsoleted by
.Xr ioctl 2 .
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They are available from the compatibility library, libcompat.
.Ef
.Pp
The
.Fn stty
function
sets the state of the terminal associated with
.Fa fd .
The
.Fn gtty
function
retrieves the state of the terminal associated
with
.Fa fd .
To set the state of a terminal the call must have
write permission.
.Pp
The
.Fn stty
call is actually
.Ql ioctl(fd, TIOCSETP, buf) ,
while
the
.Fn gtty
call is
.Ql ioctl(fd, TIOCGETP, buf) .
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See
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.Xr ioctl 2
and
.Xr tty 4
for an explanation.
.Sh DIAGNOSTICS
If the call is successful 0 is returned, otherwise \-1 is
returned and the global variable
.Va errno
contains the reason for the failure.
.Sh SEE ALSO
.Xr ioctl 2 ,
.Xr tty 4
.Sh HISTORY
The
.Fn stty
and
.Fn gtty
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functions appeared in
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.Bx 4.2 .