Defined in 4 files as a macro:

• contrib/tcpdump/ip.h, line 108 (as a macro)
• sys/contrib/ipfilter/netinet/ip_compat.h, line 795 (as a macro)
• sys/contrib/ipfilter/netinet/ip_compat.h, line 1071 (as a macro)
• sys/netinet/ip.h, line 154 (as a macro)

Referenced in 10 files:

• contrib/ipfilter/ipsend/ipsopt.c
  • line 43
  • line 116
• contrib/ipfilter/ipsend/iptests.c, line 517
• contrib/ipfilter/lib/addipopt.c, line 40
• contrib/ipfilter/lib/ionames.c
  • line 22
  • line 23
• contrib/ipfilter/lib/optprint.c
  • line 25
  • line 32
  • line 59
  • line 64
• contrib/tcpdump/print-ip.c
  • line 45
  • line 310
• sys/contrib/ipfilter/netinet/fil.c
  • line 202
  • line 1828
• sys/contrib/ipfilter/netinet/ip_compat.h
  • line 794
  • line 1070
• sys/netinet/ip_icmp.c, line 890
• sys/netipsec/xform_ah.c, line 351