MAGIC
hd->h_magic[0] = CHR_WR_2(MAGIC);
hd->h_magic[1] = CHR_WR_3(MAGIC);
if (ul_asc((u_long)MAGIC, hd->c_magic, sizeof(hd->c_magic), OCT) ||
if (((u_short)SHRT_EXT(blk)) == MAGIC)
if (((u_short)RSHRT_EXT(blk)) == MAGIC) {
if (hashp->MAGIC != HASHMAGIC)
hashp->MAGIC = HASHMAGIC;
op->ov_magic = MAGIC;
if (op->ov_magic != MAGIC)
if (op->ov_magic != MAGIC)