ctrlrpath
if ((fd = open(ctrlrpath(ctrlr), 0)) < 0) {
warn("can't open %s", ctrlrpath(ctrlr));
if ((fd = open(ctrlrpath(unit), 0)) < 0) {
warn("can't open %s", ctrlrpath(unit));
if ((fd = open(ctrlrpath(unit), 0)) < 0) {
warn("can't open %s", ctrlrpath(unit));
if ((fd = open(ctrlrpath(unit), 0)) < 0) {
warn("can't open %s", ctrlrpath(unit));
if ((fd = open(ctrlrpath(unit), 0)) < 0) {
warn("can't open %s", ctrlrpath(unit));
if ((fd = open(ctrlrpath(unit), 0)) >= 0) {
if ((fd = open(ctrlrpath(i), 0)) >= 0)
if ((fd = open(ctrlrpath(unit), 0)) >= 0) {
if ((ctrlfd = open(ctrlrpath(unit), 0)) < 0)
extern char *ctrlrpath(int unit);