Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 76 (as a macro)
• osfmk/kdp/kdp_udp.h, line 121 (as a macro)

Referenced in 9 files:

• bsd/netinet/in_dhcp.c, line 185
• bsd/netinet/ip_compat.h
  • line 410
  • line 411
• bsd/netinet/ip_flow.c, line 159
• bsd/netinet/ip_input.c
  • line 619
  • line 2019
• bsd/netinet/ip_mroute.c
  • line 274
  • line 276
• bsd/netinet/ip_output.c
  • line 365
  • line 1410
  • line 1785
• bsd/netinet/tcp_input.c, line 692
• bsd/netinet6/ipsec.c
  • line 2223
  • line 2405
• osfmk/kdp/kdp_udp.c
  • line 400
  • line 467
  • line 1202