iterative_io_cookie
iterative_io_cookie* cookie = (iterative_io_cookie*)_cookie;
iterative_io_cookie* cookie = (iterative_io_cookie*)_cookie;
iterative_io_cookie* iterationCookie
? new(malloc_flags(HEAP_PRIORITY_VIP)) iterative_io_cookie
: new(std::nothrow) iterative_io_cookie;