need 'this' to access data member

[Mike Parker]

Mike Parker wrote:
> clayasaurus wrote:
> 
>>>
>>
>> That would be nicer, but it is not my call. The SDL_RWops structure is 
>> from the SDL library (www.libsdl.org) and the goal is to stay as close 
>> to the original structure as possible.
>>
>>
> 
> In C, named inner structs and unions are treated as fields.
> 

And now that I've posted that I see that Derek was talking about 
anonymous inner structs. Oh well, what I said is still true :)