GETCDSECTOR
if ((err = GETCDSECTOR(h, volp, secno++, 1)) != 0) {
if ((err = GETCDSECTOR(h, volp, secno++, 1)) != 0) {
if ((err = GETCDSECTOR(h, volp, secno++, 1)) != 0) {
if ((err = GETCDSECTOR(h, volp, secno++, 1)) != 0) {
if ((err = GETCDSECTOR(h, volp, secno++, 1)) != 0) {
if ((err = GETCDSECTOR(h, volp, secno++, 1)) != 0) {