SO_RFCOMM_LM
sockopt_init(&sopt, BTPROTO_RFCOMM, SO_RFCOMM_LM, 0);
case SO_RFCOMM_LM:
case SO_RFCOMM_LM:
if (setsockopt(fd, BTPROTO_RFCOMM, SO_RFCOMM_LM, &lm, sizeof(lm)) == -1)
if (setsockopt(sv, BTPROTO_RFCOMM, SO_RFCOMM_LM, &lm, sizeof(lm)) == -1)