tty_nr            165 daemons/controld/controld_throttle.c         int rc = 0, pid = 0, ppid = 0, pgrp = 0, session = 0, tty_nr = 0, tpgid = 0;
tty_nr            170 daemons/controld/controld_throttle.c                     &ppid, &pgrp, &session, &tty_nr, &tpgid,