ac_tty             51 include/uapi/linux/acct.h 	__u16		ac_tty;			/* Control Terminal */
ac_tty             78 include/uapi/linux/acct.h 	__u16		ac_tty;			/* Control Terminal */
ac_tty            458 kernel/acct.c  	ac->ac_tty = tty ? old_encode_dev(tty_devnum(tty)) : 0;