Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 93 (as a macro)
• osfmk/kdp/kdp_udp.h, line 105 (as a macro)

Referenced in 5 files:

• bsd/netinet/ip_compat.h
  • line 427
  • line 428
• bsd/netinet/ip_icmp.c, line 182
• bsd/netinet/ip_input.c
  • line 775
  • line 829
• bsd/netinet/ip_output.c
  • line 1019
  • line 1020
  • line 1021
  • line 1025
  • line 1061
• bsd/netinet6/ipsec.c
  • line 973
  • line 2147