MAXGETDENTS_SIZE
if (nbyte > MAXGETDENTS_SIZE)
nbyte = MAXGETDENTS_SIZE;
if (count > MAXGETDENTS_SIZE)
count = MAXGETDENTS_SIZE;
if (count > MAXGETDENTS_SIZE)
count = MAXGETDENTS_SIZE;
if (count > MAXGETDENTS_SIZE)
count = MAXGETDENTS_SIZE;