Lines Matching defs:bb
315 struct bootblock *bb;
320 if ((bb = disk_read (fd, nbdsec, nsec)) == NULL) {
324 if (bb->bb_magic == NBDAMAGIC || bb->bb_magic == AHDIMAGIC) {
325 bb->bb_magic = bb->bb_magic & 0xffffff00;
326 bb->bb_magic = bb->bb_magic | 0x5f;
332 if (!disk_write (fd, nbdsec, nsec, bb)) {
333 free (bb);
338 free (bb);