Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 95 (as a macro)
• osfmk/kdp/kdp_udp.h, line 103 (as a macro)

Referenced in 4 files:

• bsd/netinet/ip_compat.h
  • line 100
  • line 101
• bsd/netinet/ip_fw2.c
  • line 651
  • line 700
  • line 1504
  • line 1507
• bsd/netinet/ip_input.c, line 947
• bsd/netinet6/ipsec.c
  • line 989
  • line 2209