// datafield hacks
alias int FILE; 
alias int Uint8; 

// structure
struct SDL_RWops
{

    int (*seek)(SDL_RWops *context, int offset, int whence);
    int (*read)(SDL_RWops *context, void *ptr, int size, int maxnum);
    int (*write)(SDL_RWops *context, void *ptr, int size, int num);
    int (*close)(SDL_RWops *context);
    uint type;
	
    union hide
    {
        version(Windows)
        {
            struct win32io
            {
                int append;
                void *h;
            }
        }
        struct stdio
        {
            int autoclose;
            FILE *fp;
        }
        struct mem
        {
            Uint8 *base;
            Uint8 *here;
            Uint8 *stop;
        }
        struct unknown
        {
            void *data1;
        }
    }
	hide hidden; 
	
}


int main()
{
    SDL_RWops w; 

    // need 'this' to access data member data1??
    w.hidden.unknown.data1 = null; 

    return 0; 
}