in6_gif.h   59 net/if_gif.c   #include <netinet6/in6_gif.h>
in6_gif.h   55 netinet6/in6_gif.c #include <netinet6/in6_gif.h>
in6_gif.h  108 netinet6/in6_proto.c #include <netinet6/in6_gif.h>