Defined in 1 files as a macro:

• bsd/netinet/ip_var.h, line 195 (as a macro)

Referenced in 2 files:

• bsd/netinet/ip_output.c
  • line 369
  • line 379
  • line 936
  • line 1525
  • line 1594
  • line 1622
• bsd/netinet6/ipsec.c, line 4172