xprt_unregister (p->fd);
xprt_unregister (xports[p->fd]);
svc_getreq_poll (struct pollfd *pfdp, int pollretval){  register int i;  register int fds_found;  for (i = fds_found = 0; i < svc_max_pollfd && fds_found < pollretval; ++i)    {      register struct pollfd *p = &pfdp[i];      if (p->fd != -1 && p->revents)	{	  /* fd has input waiting */	  ++fds_found;	  if (p->revents & POLLNVAL)	    xprt_unregister (p->fd);	  else	    svc_getreq_common (p->fd);	}    }}