send_pin_code_reply
int send_pin_code_reply (int, struct sockaddr_bt *, bdaddr_t *, uint8_t *);
send_pin_code_reply(item->hci, &sa, &item->raddr, rp.pin);
return send_pin_code_reply(sock, addr, bdaddr, pin);
return send_pin_code_reply(sock, addr, bdaddr, NULL);