188 struct objc_class {  struct
189   struct objc_class*  class_pointer;    /* Pointer to the class's meta  argument
191   struct objc_class*  super_class;      /* Pointer to the super  argument
194   const char*         name;             /* Name of the class. */
195   long                version;          /* Unknown. */
196   unsigned long       info;             /* Bit mask.  See class masks
198   long                instance_size;    /* Size in bytes of the class.
224   struct objc_class* subclass_list;     /* Subclasses */  argument
225   struct objc_class* sibling_class;  argument
227   struct objc_protocol_list *protocols; /* Protocols conformed to */
228   void* gc_object_type;