PF_TO_X            92 drivers/net/ppp/ppp_generic.c #define PF_TO_PPP(pf)		PF_TO_X(pf, struct ppp)
PF_TO_X            93 drivers/net/ppp/ppp_generic.c #define PF_TO_CHANNEL(pf)	PF_TO_X(pf, struct channel)