struct data1_handle_info * data1_handle
int zebra_grs_retrieve(void *clientData, struct recRetrieveCtrl *p, data1_node *(*grs_read)(struct grs_read_info *))
int zebra_grs_extract(void *clientData, struct recExtractCtrl *p, data1_node *(*grs_read)(struct grs_read_info *))
int grs_extract_tree(struct recExtractCtrl *p, data1_node *n)
struct ZebraRecStream * stream