proto_tree_add_item(tt, hf->hfy_len, b, off + 2 + len, 2, FALSE);
proto_tree_add_item(tt, hf->hfy_val, b, off + 4 + len, len2, FALSE);
r = off + len + len2 + 4;
proto_tree_add_item(tt, hf->hfy_len, b, off + 2 + len, 2, FALSE);
proto_tree_add_item(tt, hf->hfy_val, b, off + 4 + len, len2, FALSE);
r = off + len + len2 + 4;