* _xvt ; int n ; } x ; typedef struct y { y_vtable * _yvt ; int n ; }; x y_cast_x ( y _y ) { x _x ; _x.
n ; _x -> _xvt = yvtable_cast_xvtable ( _y -> _xvt ); return _x ; } void all_funcs_x ( x _x ) { ( * (( _x.