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 8169
• bsd/net/pf_norm.c, line 1534
• bsd/netinet/ip_compat.h
  • line 425
  • line 426
• bsd/netinet/ip_fw2.c
  • line 1220
  • line 1224
• bsd/netinet/ip_icmp.c, line 222
• bsd/netinet/ip_input.c
  • line 1204
  • line 1277
• bsd/netinet/ip_output.c
  • line 1881
  • line 1882
  • line 1883
  • line 1887
  • line 1935
• bsd/netinet6/ipsec.c
  • line 1038
  • line 2293
  • line 2386