fas_dopoll
(void) fas_dopoll(fas, SHORT_POLL_TIMEOUT);
static int fas_dopoll(struct fas *fas, int timeout);
if (fas_dopoll(fas, POLL_TIMEOUT) <= 0) {
if ((n = fas_dopoll(fas, limit)) <= 0) {
(void) fas_dopoll(fas, SHORT_POLL_TIMEOUT);
if (fas_dopoll(fas, SHORT_POLL_TIMEOUT) <= 0) {
if (fas_dopoll(fas, SHORT_POLL_TIMEOUT) <= 0) {
(void) fas_dopoll(fas, SHORT_POLL_TIMEOUT);