dtio_stop_ev_cb
else if(fptr == &dtio_stop_ev_cb) return 1;
UB_EV_WRITE | UB_EV_PERSIST, &dtio_stop_ev_cb, &info);
void dtio_stop_ev_cb(int fd, short bits, void* arg);
else if(fptr == &dtio_stop_ev_cb) return 1;
UB_EV_BITS_CB(dtio_stop_ev_cb)
else if(cb == dtio_stop_ev_cb)