doOp v (LExternal pk) [] | pk == sUN "prim__sizeofPtr"
    = v ++ "MKINT(sizeof(void*))"
doOp v (LExternal pk) [] | pk == sUN "prim__sizeofPtr"
    = v ++ "MKINT(sizeof(void*))"
doOp v (LExternal pk) [] | pk == sUN "prim__sizeofPtr"
    = v ++ "MKINT(sizeof(void*))"