sdp_close
int32_t sdp_close (void *xs);
sdp_close(ss);
sdp_close(ss);
.pr_close = sdp_close
sdp_close(ss); \
sdp_close(ss);
sdp_close(ss);
sdp_close(ss);
sdp_close(ss); \
sdp_close(ss);
sdp_close(ss);
sdp_close(xs);
sdp_close(r->sdp_session);
sdp_close(r->sdp_session);
sdp_close(r->sdp_session);