Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 100 (as a macro)
• osfmk/kdp/kdp_udp.h, line 109 (as a macro)

Referenced in 8 files:

• bsd/net/pf.c, line 8561
• bsd/net/pf_norm.c, line 877
• bsd/netinet/ip_compat.h
  • line 425
  • line 426
• bsd/netinet/ip_fw2.c
  • line 1202
  • line 1206
• bsd/netinet/ip_icmp.c, line 211
• bsd/netinet/ip_input.c
  • line 1154
  • line 1227
• bsd/netinet/ip_output.c
  • line 1695
  • line 1696
  • line 1697
  • line 1701
  • line 1745
• bsd/netinet6/ipsec.c
  • line 1048
  • line 2259