isonum_723
inop->inode.iso_uid = isonum_723(ap->owner); /* what about 0? */
inop->inode.iso_gid = isonum_723(ap->group); /* what about 0? */
logical_block_size = isonum_723 (pri->logical_block_size);
logical_block_size = isonum_723 (pri->logical_block_size);
static __inline int isonum_723(u_char *) __attribute__ ((__unused__));
if (isonum_723(vd->logical_block_size) != ISO_DEFAULT_BLOCK_SIZE)
return isonum_723(buf);