/**
* ptm_unix98_lookup - find a pty master
* @driver: ptm driver
+ * @file: unused
* @idx: tty index
*
* Look up a pty master device. Called under the tty_mutex for now.
/**
* pts_unix98_lookup - find a pty slave
* @driver: pts driver
+ * @file: file pointer to tty
* @idx: tty index
*
* Look up a pty master device. Called under the tty_mutex for now.