#import @interface DyldClass : NSObject @end @implementation DyldClass @end @interface DyldLinkedClass : NSObject @end @implementation DyldLinkedClass @end extern Class OBJC_CLASS_$_DyldClass; extern Class OBJC_CLASS_$_DyldLinkedClass; Class getLinked2DyldClass() { return (Class)&OBJC_CLASS_$_DyldClass; } Class getLinked2DyldLinkedClass() { return (Class)&OBJC_CLASS_$_DyldLinkedClass; }