B_TSET
B_TSET(__bk.type, B_KEYDATA, 1);
B_TSET(bo.type, B_OVERFLOW, 0);
B_TSET(bk->type, B_KEYDATA, 0);
B_TSET(bo.type, B_DUPLICATE, 0);
B_TSET(bk->type, B_KEYDATA, 0);
B_TSET(bk.type, B_KEYDATA, 1);
B_TSET(bi.type, B_KEYDATA, 0);
B_TSET(bi.type, child_bi->type, 0);
B_TSET(bi.type, child_bk->type, 0);
B_TSET(bi.type, child_bk->type, 0);
B_TSET(bi.type, child_bi->type, 0);
B_TSET(bi.type, child_bk->type, 0);
B_TSET(bi.type, child_bk->type, 0);
B_TSET(bk.type, B_KEYDATA, 0);
B_TSET(bo.type, B_OVERFLOW, 0);
B_TSET(bo.type, ho.type, 0);