Defined in 1 files as a macro:

• bsd/netinet/ip.h, line 164 (as a macro)

Referenced in 3 files:

• bsd/netinet/ip_compat.h
  • line 407
  • line 408
• bsd/netinet/ip_input.c
  • line 1570
  • line 1668
  • line 1886
• bsd/netinet/ip_output.c, line 2052