PTY_TYPE_MASTER
if (driver->subtype != PTY_TYPE_MASTER)
if (tty->driver->subtype == PTY_TYPE_MASTER)
pty_driver->subtype = PTY_TYPE_MASTER;
if (tty->driver->subtype == PTY_TYPE_MASTER) {
if (tty->driver->subtype == PTY_TYPE_MASTER)
ptm_driver->subtype = PTY_TYPE_MASTER;
&& tty->driver->subtype == PTY_TYPE_MASTER)
driver->subtype == PTY_TYPE_MASTER)
tty->driver->subtype == PTY_TYPE_MASTER)
tty->driver->subtype == PTY_TYPE_MASTER);
tty->driver->subtype == PTY_TYPE_MASTER)
tty->driver->subtype == PTY_TYPE_MASTER);
tty->driver->subtype == PTY_TYPE_MASTER)
if (p->subtype == PTY_TYPE_MASTER)