proc_get_long
err = proc_get_long(&p, &left, &val, &neg,
err = proc_get_long(&p, &left, &val_a, &neg, tr_a,
err = proc_get_long(&p, &left, &val_b,
err = proc_get_long(&p, &left, &lval, &neg,
err = proc_get_long(&p, &left, &lval, &neg,