sdp_error
int32_t sdp_error (void *xs);
if (sdp_error(ss) != 0)
rfcomm_channel_lookup_exit(sdp_error(ss));
rfcomm_channel_lookup_exit(sdp_error(ss));
if (ss == NULL || (errno = sdp_error(ss)) != 0)
errno = sdp_error(ss);
if (xs == NULL || (errno = sdp_error(xs)) != 0)