Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 66 (as a macro)
• osfmk/kdp/kdp_udp.h, line 115 (as a macro)

Referenced in 10 files:

• bsd/netinet/in_bootp.c, line 160
• bsd/netinet/ip_compat.h
  • line 409
  • line 410
• bsd/netinet/ip_flow.c, line 152
• bsd/netinet/ip_input.c
  • line 410
  • line 1699
• bsd/netinet/ip_mroute.c
  • line 264
  • line 266
• bsd/netinet/ip_output.c
  • line 255
  • line 971
  • line 1154
• bsd/netinet/tcp_input.c, line 523
• bsd/netinet/tcp_output.c, line 836
• bsd/netinet6/ipsec.c, line 2101
• osfmk/kdp/kdp_udp.c
  • line 205
  • line 272