diff --git a/classes.c b/classes.c
index ed18383..fe934c1 100644
--- a/classes.c
+++ b/classes.c
@@ -52,7 +52,7 @@ struct class *classes__find_by_name(const char *name)
 	return NULL;
 }
 
-static struct class *classes__find_by_id(const struct cu_info *type)
+struct class *classes__find_by_id(const struct cu_info *type)
 {
 	struct class *pos;
 
@@ -387,6 +387,16 @@ static void classes__add(struct class *class)
 	list_add_tail(&class->node, &classes__list);
 }
 
+void classes__for_each(int (*iterator)(struct class *class, void *cookie),
+		       void *cookie)
+{
+	struct class *pos;
+
+	list_for_each_entry(pos, &classes__list, node)
+		if (iterator(pos, cookie))
+			break;
+}
+
 void classes__print(const unsigned int tag)
 {
 	struct class *pos;
diff --git a/classes.h b/classes.h
index 8cc5de7..91ac916 100644
--- a/classes.h
+++ b/classes.h
@@ -51,6 +51,10 @@ extern void class__print(struct class *self);
 
 extern int	    classes__load(const char *filename);
 extern struct class *classes__find_by_name(const char *name);
+extern struct class *classes__find_by_id(const struct cu_info *type);
 extern void	    classes__print(const unsigned int tag);
+extern void	    classes__for_each(int (*iterator)(struct class *class,
+						      void *cookie),
+				      void *cookie);
 
 #endif /* _PAHOLE_CLASSES_H_ */