Defined in 1 files as a macro:

• bsd/netinet/ip.h, line 150 (as a macro)

Referenced in 4 files:

• bsd/netinet/ip_compat.h
  • line 83
  • line 449
  • line 450
• bsd/netinet/ip_fw2.c, line 388
• bsd/netinet/ip_icmp.c, line 743
• bsd/netinet/ip_input.c, line 1666