ssread
size_t r = ssread(drr, sizeof (*drr) - sizeof (zio_cksum_t), cksum);
r = ssread(&drr->drr_u.drr_checksum.drr_checksum,
(void) ssread(buf, sz, &zc);
(void) ssread(buf, payload_size, &zc);
(void) ssread(buf, payload_size, &zc);
(void) ssread(buf, payload_size, &zc);
(void) ssread(buf,
while (ssread(drr, sizeof (*drr), ofp) != 0) {
(void) ssread(buf, sz, ofp);
(void) ssread(buf,
(void) ssread(buf, DRR_SPILL_PAYLOAD_SIZE(drrs), ofp);
(void) ssread(buf, payload_size, ofp);
(void) ssread(buf,