121       return (match_object == NULL || object == match_object) ? object : NULL;  in walk_object()
127         return NULL;  in walk_object()
145           const void* result = NULL;  in walk_object()
159               else if (walk_subobject_result != NULL)  in walk_object()
161                   if (result == NULL)  in walk_object()
175     return NULL;  in walk_object()
193         dst_object(NULL), result(NULL)  in cast_context()
210         && context->dst_object != NULL  in base_to_derived_cast()
213         if (context->result == NULL)  in base_to_derived_cast()
303                                     most_derived_class_type_info, NULL, dst));  in __dynamic_cast()
304     if (t_object == NULL)  in __dynamic_cast()
305       return NULL;  in __dynamic_cast()
335         if (context.result != NULL && context.result != ambiguous_object)  in __dynamic_cast()
349       return NULL;  in __dynamic_cast()
354     return v_object == v ? t_object : NULL;  in __dynamic_cast()