ks_attr_hdr_t
ks_attr_hdr_t attr_hdr;
(void) memcpy(buf1, &attr_hdr, sizeof (ks_attr_hdr_t));
buf1 = buf1 + sizeof (ks_attr_hdr_t);
ks_attr_hdr_t *attr_hdr;
attr_hdr = (ks_attr_hdr_t *)buf;
buf = buf + sizeof (ks_attr_hdr_t);