Defined in 3 files as a macro:

• contrib/libpcap/gencode.c, line 5008 (as a macro)
• contrib/tcpdump/ipproto.h, line 51 (as a macro)
• sys/netinet/in.h, line 141 (as a macro)

Referenced in 13 files:

• contrib/ipfilter/tools/ipfsyncd.c, line 327
• contrib/libpcap/gencode.c
  • line 5007
  • line 5012
• contrib/tcpdump/ipproto.c, line 28
• contrib/tcpdump/ipproto.h, line 50
• contrib/tcpdump/print-ip.c, line 445
• sys/netgraph/ng_ksocket.c, line 142
• sys/netinet/igmp.c
  • line 2229
  • line 3535
• sys/netinet/in_proto.c
  • line 204
  • line 336
• sys/netinet/ip_input.c, line 760
• sys/netinet/ip_mroute.c, line 664
• sys/netinet/raw_ip.c, line 380
• usr.bin/netstat/main.c, line 108
• usr.sbin/ppp/ip.c
  • line 333
  • line 802