- Accessibility_RelationSet *relation_set =
- Accessibility_Accessible_getRelationSet (CSPI_OBJREF (obj), cspi_ev ());
+ int n_relations;
+ AccessibleRelation **relations;
+ Accessibility_RelationSet *relation_set;
+
+ cspi_return_val_if_fail (obj != NULL, NULL);
+
+ relation_set =
+ Accessibility_Accessible_getRelationSet (CSPI_OBJREF (obj), cspi_ev ());
+
+ cspi_return_val_if_ev ("getRelationSet", NULL);