Defined in 1 files as a macro:

• bsd/netinet/ip.h, line 181 (as a macro)

Referenced in 3 files:

• bsd/netinet/ip_compat.h
  • line 413
  • line 414
• bsd/netinet/ip_input.c
  • line 1655
  • line 1753
  • line 1969
• bsd/netinet/ip_output.c, line 2277