Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 100 (as a macro)
• osfmk/kdp/kdp_udp.c, line 160 (as a macro)

Referenced in 8 files:

• bsd/net/pf.c, line 9199
• bsd/net/pf_norm.c, line 1541
• bsd/netinet/ip_compat.h
  • line 425
  • line 426
• bsd/netinet/ip_fw2.c
  • line 1297
  • line 1301
• bsd/netinet/ip_icmp.c, line 229
• bsd/netinet/ip_input.c, line 2664
• bsd/netinet/ip_output.c
  • line 2053
  • line 2054
  • line 2055
  • line 2059
  • line 2107
• bsd/netinet6/ipsec.c
  • line 1206
  • line 2297
  • line 4794