Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 100 (as a macro)
• osfmk/kdp/kdp_udp.h, line 108 (as a macro)

Referenced in 6 files:

• bsd/netinet/ip_compat.h
  • line 425
  • line 426
• bsd/netinet/ip_fw2.c
  • line 722
  • line 726
• bsd/netinet/ip_icmp.c, line 209
• bsd/netinet/ip_input.c
  • line 1008
  • line 1081
• bsd/netinet/ip_output.c
  • line 1413
  • line 1414
  • line 1415
  • line 1419
  • line 1459
• bsd/netinet6/ipsec.c
  • line 1017
  • line 2228