An objective-c object is just a pointer to a struct.
You don't need the objective-c runtime to call a block.
Block_copy etc are implemented in libclosure which iirc does not require libobjc either. But of course if you ARE writing objc, they are valid objects and can be treated as such
Block_copy etc are implemented in libclosure which iirc does not require libobjc either. But of course if you ARE writing objc, they are valid objects and can be treated as such