Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 70 (as a macro)
• osfmk/kdp/kdp_udp.h, line 115 (as a macro)

Referenced in 10 files:

• bsd/netinet/in_bootp.c, line 171
• bsd/netinet/ip_compat.h
  • line 404
  • line 405
• bsd/netinet/ip_flow.c, line 152
• bsd/netinet/ip_input.c
  • line 573
  • line 1935
• bsd/netinet/ip_mroute.c
  • line 264
  • line 266
• bsd/netinet/ip_output.c
  • line 307
  • line 1254
  • line 1533
• bsd/netinet/tcp_input.c, line 627
• bsd/netinet/tcp_output.c, line 958
• bsd/netinet6/ipsec.c, line 2205
• osfmk/kdp/kdp_udp.c
  • line 265
  • line 332
  • line 898