static char sccsid
[] = "@(#)wwtty.c 3.10 %G%";
* Copyright (c) 1983 Regents of the University of California,
* All rights reserved. Redistribution permitted subject to
* the terms of the Berkeley Software License Agreement.
register struct ww_tty
*t
;
if (ioctl(d
, TIOCGETP
, (char *)&t
->ww_sgttyb
) < 0)
if (ioctl(d
, TIOCGETC
, (char *)&t
->ww_tchars
) < 0)
if (ioctl(d
, TIOCGLTC
, (char *)&t
->ww_ltchars
) < 0)
if (ioctl(d
, TIOCLGET
, (char *)&t
->ww_lmode
) < 0)
if (ioctl(d
, TIOCGETD
, (char *)&t
->ww_ldisc
) < 0)
if ((t
->ww_fflags
= fcntl(d
, F_GETFL
, 0)) < 0)
* Set the modes of tty 'd' to 't'
* 'o' is the current modes. We set the line discipline only if
* it changes, to avoid unnecessary flushing of typeahead.
register struct ww_tty
*t
, *o
;
if (ioctl(d
, TIOCSETN
, (char *)&t
->ww_sgttyb
) < 0)
if (ioctl(d
, TIOCSETC
, (char *)&t
->ww_tchars
) < 0)
if (ioctl(d
, TIOCSLTC
, (char *)&t
->ww_ltchars
) < 0)
if (ioctl(d
, TIOCLSET
, (char *)&t
->ww_lmode
) < 0)
if ((o
== 0 || t
->ww_ldisc
!= o
->ww_ldisc
) &&
ioctl(d
, TIOCSETD
, (char *)&t
->ww_ldisc
) < 0)
if (fcntl(d
, F_SETFL
, t
->ww_fflags
) < 0)