Defined in 2 files as a macro:

• bsd/netinet/ip.h, line 69 (as a macro)
• osfmk/kdp/kdp_udp.h, line 118 (as a macro)

Referenced in 10 files:

• bsd/netinet/in_bootp.c, line 163
• bsd/netinet/ip_compat.h
  • line 412
  • line 413
• bsd/netinet/ip_flow.c, line 155
• bsd/netinet/ip_input.c
  • line 413
  • line 1702
• bsd/netinet/ip_mroute.c
  • line 267
  • line 269
• bsd/netinet/ip_output.c
  • line 258
  • line 974
  • line 1157
• bsd/netinet/tcp_input.c, line 551
• bsd/netinet/tcp_output.c, line 854
• bsd/netinet6/ipsec.c, line 2101
• osfmk/kdp/kdp_udp.c
  • line 208
  • line 275