diff --git a/src/output/amgc_output_compound.c b/src/output/amgc_output_compound.c
index 02923b4..07bd730 100644
--- a/src/output/amgc_output_compound.c
+++ b/src/output/amgc_output_compound.c
@@ -314,3 +314,35 @@ int amgc_output_compound(
 	else
 		return -1;
 }
+
+int amgc_output_struct(
+	const struct amgc_unit_ctx *	uctx,
+	const struct amgc_entity *	aentity,
+	const struct amgc_layout *	layout,
+	FILE *				fout)
+{
+	union entity_t const * entity;
+
+	entity = aentity->entity;
+
+	if (entity->kind == ENTITY_STRUCT)
+		return output_compound_entity(uctx,aentity,layout,fout);
+	else
+		return -1;
+}
+
+int amgc_output_union(
+	const struct amgc_unit_ctx *	uctx,
+	const struct amgc_entity *	aentity,
+	const struct amgc_layout *	layout,
+	FILE *				fout)
+{
+	union entity_t const * entity;
+
+	entity = aentity->entity;
+
+	if (entity->kind == ENTITY_UNION)
+		return output_compound_entity(uctx,aentity,layout,fout);
+	else
+		return -1;
+}