GET_BE32
return (((uint64_t)GET_BE32(p) << 32) |
GET_BE32(p + 4));
l->block.first = (uint64_t)GET_BE32(&cdb[2]);
l->block.first = (uint64_t)GET_BE32(&cdb[2]);
l->block.cnt = GET_BE32(&cdb[6]);
l->block.cnt = GET_BE32(&cdb[10]);