PPP_IP            547 net/if_ppp.c   	case PPP_IP:
PPP_IP            741 net/if_ppp.c   	protocol = PPP_IP;
PPP_IP            904 net/if_ppp.c   	case PPP_IP:
PPP_IP           1006 net/if_ppp.c       case PPP_IP:
PPP_IP           1415 net/if_ppp.c   	cp[3] = PPP_IP;
PPP_IP           1416 net/if_ppp.c   	proto = PPP_IP;
PPP_IP           1450 net/if_ppp.c   	proto = PPP_IP;
PPP_IP           1451 net/if_ppp.c   	cp[3] = PPP_IP;
PPP_IP           1508 net/if_ppp.c       case PPP_IP:
PPP_IP            542 net/if_spppsubr.c 		case PPP_IP:
PPP_IP            739 net/if_spppsubr.c 			protocol = htons(PPP_IP);