Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 90 (as a macro)
• osfmk/kdp/kdp_udp.h, line 102 (as a macro)

Referenced in 5 files:

• bsd/netinet/ip_compat.h
  • line 424
  • line 425
• bsd/netinet/ip_icmp.c, line 185
• bsd/netinet/ip_input.c
  • line 774
  • line 827
• bsd/netinet/ip_output.c
  • line 1034
  • line 1035
  • line 1036
  • line 1040
  • line 1076
• bsd/netinet6/ipsec.c
  • line 978
  • line 2152