binary_op
case binary_op: /* any binary operation */
code = (ps.last_u_d ? unary_op : binary_op);
code = binary_op;
code = (ps.last_u_d ? unary_op : binary_op);
code = (ps.last_u_d ? unary_op : binary_op);
if (argc >= 3 && (op = binary_op(argv[1])) != OP_NONE) {