Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 100 (as a macro)
• osfmk/kdp/kdp_udp.c, line 158 (as a macro)

Referenced in 8 files:

• bsd/net/pf.c, line 9183
• bsd/net/pf_norm.c, line 1541
• bsd/netinet/ip_compat.h
  • line 425
  • line 426
• bsd/netinet/ip_fw2.c
  • line 1299
  • line 1303
• bsd/netinet/ip_icmp.c, line 228
• bsd/netinet/ip_input.c, line 2633
• bsd/netinet/ip_output.c
  • line 2022
  • line 2023
  • line 2024
  • line 2028
  • line 2076
• bsd/netinet6/ipsec.c
  • line 1213
  • line 2327
  • line 2416
  • line 4995