DynSize
#define DynHigh(obj) (DynSize(obj) - 1)
int DynSize P((DynObject obj));
return DynInsert(obj, DynSize(obj), els, num);
DynSize((DynObject) xdrs->x_private), &l,
DynSize((DynObject) xdrs->x_private),
return DynSize((DynObject) xdrs->x_private);