- io_new_conn(fds[1], io_write("hello there world", 16, io_close, NULL),
- NULL, NULL);
- conn = io_new_conn(fds[0], io_idle(), NULL, NULL);
+ io_new_conn(fds[1], io_write("hello there world", 16,
+ io_close_cb, NULL));
+ conn = io_new_conn(fds[0], io_idle());