hci_encrypt2str
char const * hci_encrypt2str (int, int);
hci_encrypt2str(rp.encryption_mode, 0), rp.encryption_mode);
hci_encrypt2str(ep->encryption_mode, 0),
hci_encrypt2str(ep->encryption_mode, 0),
hci_encrypt2str(r.connections[n].encryption_mode, 1),