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_bootp.c, line 177
• bsd/netinet/ip_compat.h
  • line 410
  • line 411
• bsd/netinet/ip_flow.c, line 158
• bsd/netinet/ip_input.c
  • line 579
  • line 1947
• bsd/netinet/ip_mroute.c
  • line 270
  • line 272
• bsd/netinet/ip_output.c
  • line 314
  • line 1263
  • line 1610
• bsd/netinet/tcp_input.c, line 635
• bsd/netinet6/ipsec.c, line 2205
• osfmk/kdp/kdp_udp.c
  • line 271
  • line 338
  • line 904