Defined in 4 files as a macro:

• contrib/tcpdump/ipproto.h, line 84 (as a macro)
• contrib/traceroute/traceroute.c, line 290 (as a macro)
• sys/contrib/ipfilter/netinet/ip_compat.h, line 1157 (as a macro)
• sys/netinet/in.h, line 185 (as a macro)

Referenced in 18 files:

• contrib/ipfilter/lib/printstate.c, line 78
• contrib/tcpdump/ipproto.c, line 39
• contrib/tcpdump/ipproto.h, line 83
• contrib/tcpdump/print-ip.c, line 467
• contrib/tcpdump/print-ip6.c, line 402
• contrib/traceroute/traceroute.c
  • line 289
  • line 474
• sys/contrib/ipfilter/netinet/fil.c
  • line 533
  • line 1816
  • line 8504
• sys/contrib/ipfilter/netinet/ip_compat.h, line 1156
• sys/contrib/ipfilter/netinet/ip_pptp_pxy.c
  • line 129
  • line 184
  • line 185
  • line 213
  • line 224
• sys/contrib/ipfilter/netinet/ip_state.c
  • line 1304
  • line 1564
  • line 3268
• sys/netgraph/ng_ksocket.c, line 145
• sys/netinet/in_proto.c, line 253
• sys/netinet/ip_gre.c
  • line 148
  • line 276
• sys/netinet/libalias/alias.c
  • line 1353
  • line 1503
• sys/netinet6/in6_proto.c, line 301
• sys/netinet6/ip6_gre.c
  • line 140
  • line 259
• sys/netpfil/ipfw/ip_fw2.c, line 1594
• usr.sbin/ppp/ip.c
  • line 337
  • line 338
  • line 712
  • line 713