@@ -403,10 +403,16 @@
 Class
 objc_get_class(const char *name)
 {
 	return objc_getRequiredClass(name);
 }
+
+BOOL
+class_isMetaClass(Class cls)
+{
+	return (cls->info & OBJC_CLASS_INFO_METACLASS);
+}
 
 const char*
 class_getName(Class cls)
 {
 	return cls->name;
@@ -552,10 +558,32 @@
 
 	objc_global_mutex_unlock();
 
 	return (IMP)nil;
 }
+
+Class
+object_getClass(id obj)
+{
+	return obj->isa;
+}
+
+Class
+object_setClass(id obj, Class cls)
+{
+	Class old = obj->isa;
+
+	obj->isa = cls;
+
+	return old;
+}
+
+const char*
+object_getClassName(id obj)
+{
+	return obj->isa->name;
+}
 
 static void
 free_class(Class rcls)
 {
 	struct objc_abi_class *cls = (struct objc_abi_class*)rcls;