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 175
• bsd/netinet/ip_input.c
  • line 771
  • line 825
• bsd/netinet/ip_output.c
  • line 974
  • line 975
  • line 976
  • line 980
  • line 1016
• bsd/netinet6/ipsec.c
  • line 932
  • line 2106