411 struct tstate {  struct
415 static	struct tstate tstate;  argument
422 	tstate.cur = (ktr_idx - 1) % ktr_entries;  in DB_SHOW_COMMAND_FLAGS()
423 	tstate.first = -1;  in DB_SHOW_COMMAND_FLAGS()
444 	if (tstate.cur == tstate.first || ktr_buf == NULL) {  in db_mach_vtrace()
448 	kp = &ktr_buf[tstate.cur];  in db_mach_vtrace()
455 	db_printf("%d (%p", tstate.cur, kp->ktr_thread);  in db_mach_vtrace()
472 	if (tstate.first == -1)  in db_mach_vtrace()
473 		tstate.first = tstate.cur;  in db_mach_vtrace()
475 	if (--tstate.cur < 0)  in db_mach_vtrace()
476 		tstate.cur = ktr_entries - 1;  in db_mach_vtrace()