PPP_FCSLEN        789 net/ppp_tty.c      for (len = sc->sc_mru + PPP_HDRLEN + PPP_FCSLEN; len > 0; ){
PPP_FCSLEN        896 net/ppp_tty.c  	if (ilen < PPP_HDRLEN + PPP_FCSLEN) {
PPP_FCSLEN       1014 net/ppp_tty.c      if (++sc->sc_ilen > sc->sc_mru + PPP_HDRLEN + PPP_FCSLEN) {