ZEC_MAGIC
be->vbe_zbt.zec_magic = ZEC_MAGIC;
byteswap = (eck->zec_magic == BSWAP_64(ZEC_MAGIC));
ASSERT(gn->gn_gbh->zg_tail.zec_magic == ZEC_MAGIC);
ASSERT(gn->gn_gbh->zg_tail.zec_magic == ZEC_MAGIC);
static const uint64_t zec_magic = ZEC_MAGIC;
if (eck.zec_magic == ZEC_MAGIC) {
} else if (eck.zec_magic == BSWAP_64(ZEC_MAGIC)) {
byteswap = (eck.zec_magic == BSWAP_64(ZEC_MAGIC));