bdb_header
const struct bdb_header *bdb = _bdb;
static const struct bdb_header *get_bdb_header(const struct vbt_header *vbt)
const struct bdb_header *bdb;
sizeof(struct bdb_header),
const struct bdb_header *bdb;
struct bdb_header bdb_header;
v->header.bdb_offset = offsetof(struct vbt, bdb_header);
strcpy(&v->bdb_header.signature[0], "BIOS_DATA_BLOCK");
v->bdb_header.version = 186; /* child_dev_size = 33 */
v->bdb_header.header_size = sizeof(v->bdb_header);
v->bdb_header.bdb_size = sizeof(struct vbt) - sizeof(struct vbt_header);