Defined in 1 files as a macro:

• bsd/netinet/ip.h, line 160 (as a macro)

Referenced in 3 files:

• bsd/netinet/ip_compat.h
  • line 412
  • line 413
• bsd/netinet/ip_input.c
  • line 1358
  • line 1447
  • line 1647
• bsd/netinet/ip_output.c, line 1552