drive_referenced
if (drive.state > drive_referenced) {
drive->state = drive_referenced; /* in use, nothing worthwhile there */
drive->state = drive_referenced;
if ((drive->state > drive_referenced) /* real drive */
if (drive->state != drive_referenced) { /* we already know this drive */
drive->state = drive_referenced;
if (drive->state > drive_referenced) { /* real drive */
if (drive->state > drive_referenced) {
&& (drive->state != drive_referenced)) { /* and it's a real drive */
&& (DRIVE[driveno].state > drive_referenced))
if (drive->state > drive_referenced) {