+// convert function for a visit record
+void convert_visits(int which_cdb, DBT *in_key, DBT *in_data, DBT *out_key, DBT *out_data) {
+
+ // the key is a... FIXME
+ out_key->size = in_key->size;
+ out_key->data = realloc(out_key->data, out_key->size);
+ memcpy(out_key->data, in_key->data, in_key->size);
+
+ // data
+ struct visit_32 *visit32 = (struct visit_32 *)in_data->data;
+ out_data->size = sizeof(struct visit);
+ out_data->data = realloc(out_data->data, out_data->size);
+ struct visit *visit64 = (struct visit *)out_data->data;
+
+ // FIXME do the conv
+}
+
+