void zebraExplain_flush (ZebraExplainInfo zei, void *updateHandle);
int zebraExplain_lookup_ord (ZebraExplainInfo zei, int ord,
void zebraExplain_flush (ZebraExplainInfo zei, void *updateHandle);
int zebraExplain_lookup_ord (ZebraExplainInfo zei, int ord,