cuda_send
cuda_send(sc, sc->sc_polling, send_len + 3, command);
cuda_send(sc, sc->sc_polling, 3, command);
static int cuda_send(void *, int, int, uint8_t *);
caa.send = cuda_send;
cuda_send(sc, 0, 2, cmd);
if (cuda_send(sc, 0, 6, cmd) == 0) {
cuda_send(sc, 0, 3, cmd);
cuda_send(sc, poll, len + 2, packet);