IODC_MAXIOSIZ
char ua_buf[IODC_MAXIOSIZ + IODC_MINIOSIZ];
pdcbuf, (unsigned) dp->last_blk, dp->buf, IODC_MAXIOSIZ,
IODC_MAXIOSIZ)) < 0) {
(int)blk - offset, dp->buf, IODC_MAXIOSIZ,
IODC_MAXIOSIZ)) < 0) {
(int)blk - offset, IODC_MAXIOSIZ, ret);