* Copyright (c) 1983 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
static char sccsid
[] = "@(#)wwpty.c 3.15 (Berkeley) %G%";
(void) strcpy(w
->ww_ttyname
, PTY
);
for (c
= 'p'; c
<= 'u'; c
++) {
w
->ww_ttyname
[_PT
] = 'p';
w
->ww_ttyname
[_PQRS
] = c
;
w
->ww_ttyname
[_0_9
] = '0';
if (access(w
->ww_ttyname
, 0) < 0)
for (p
= "0123456789abcdef"; *p
; p
++) {
w
->ww_ttyname
[_PT
] = 'p';
w
->ww_ttyname
[_0_9
] = *p
;
if ((w
->ww_pty
= open(w
->ww_ttyname
, 2)) < 0)
w
->ww_ttyname
[_PT
] = 't';
if ((tty
= open(w
->ww_ttyname
, 2)) < 0) {
if (ioctl(w
->ww_pty
, TIOCPKT
, (char *)&on
) < 0) {