sppp_flush       1429 net/if_pppoe.c 		sppp_flush(&sc->sc_sppp.pp_if);
sppp_flush        203 net/if_sppp.h  void sppp_flush (struct ifnet *ifp);
sppp_flush        989 net/if_spppsubr.c 			sppp_flush(ifp);
sppp_flush       1968 net/if_spppsubr.c  	sppp_flush(ifp);