extendedAttrHeaderDesc
crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(struct tag);
struct extendedAttrHeaderDesc *eahd;
eahd = (struct extendedAttrHeaderDesc *)ea;
offset = sizeof(struct extendedAttrHeaderDesc);
size += sizeof(struct extendedAttrHeaderDesc);
struct extendedAttrHeaderDesc *eahd;
eahd = (struct extendedAttrHeaderDesc *)ea;
size -= sizeof(struct extendedAttrHeaderDesc);
sizeof(struct extendedAttrHeaderDesc);