(void) close (xprt->xp_sock);
(void) __close (xprt->xp_sock);
svctcp_destroy (SVCXPRT *xprt){  struct tcp_conn *cd = (struct tcp_conn *) xprt->xp_p1;  xprt_unregister (xprt);  (void) close (xprt->xp_sock);  if (xprt->xp_port != 0)    {      /* a rendezvouser socket */      xprt->xp_port = 0;    }  else    {      /* an actual connection socket */      XDR_DESTROY (&(cd->xdrs));    }  mem_free ((caddr_t) cd, sizeof (struct tcp_conn));  mem_free ((caddr_t) xprt, sizeof (SVCXPRT));}