buf_flush
buf_flush(blksz);
if ((cnt <= 0) && ((cnt = buf_flush(blksz)) < 0))
if ((cnt <= 0) && ((cnt = buf_flush(blksz)) < 0))
if ((cnt <= 0) && ((cnt = buf_flush(blksz)) < 0)) {
int buf_flush (int);
buf_flush(di);