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 178
• bsd/netinet/ip_input.c
  • line 774
  • line 828
• bsd/netinet/ip_output.c
  • line 977
  • line 978
  • line 979
  • line 983
  • line 1019
• bsd/netinet6/ipsec.c
  • line 932
  • line 2106