Defined in 1 files as a macro:

• bsd/netinet/ip.h, line 126 (as a macro)

Referenced in 2 files:

• bsd/netinet/ip_ecn.c
  • line 95
  • line 98
  • line 119
  • line 120
• bsd/netinet/ip_fw2_compat.c, line 111