BTPROTO_RFCOMM
.pr_protocol = BTPROTO_RFCOMM,
if (sopt->sopt_level != BTPROTO_RFCOMM) {
fd = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (setsockopt(fd, BTPROTO_RFCOMM, SO_RFCOMM_LM, &lm, sizeof(lm)) < 0)
sv = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (setsockopt(sv, BTPROTO_RFCOMM, SO_RFCOMM_LM, &lm, sizeof(lm)) < 0)