1 files changed, 4 insertions, 3 deletions
diff --git a/src/tree.h b/src/tree.h
index 3d2c113..70e24d5 100644
--- a/src/tree.h
+++ b/src/tree.h
@@ -74,11 +74,12 @@ MqTree *
 mq_tree_seek(MqTree *node, gint offset);
 
 void
-mq_tree_foreach(MqTree *node, gboolean (*cb)(MqTree *node, va_list ap), ...);
+mq_tree_foreach(MqTree *node, gboolean (*cb)(MqTree *node, gpointer user_data),
+	gpointer user_data);
 
 void
-mq_tree_foreach_child(MqTree *node, gboolean (*cb)(MqTree *node, va_list ap),
-	...);
+mq_tree_foreach_child(MqTree *node,
+	gboolean (*cb)(MqTree *node, gpointer user_data), gpointer user_data);
 
 G_END_DECLS