Defined in 1 files as a macro:

• bsd/net/if_types.h, line 98 (as a macro)

Referenced in 4 files:

• bsd/net/pktap.c, line 1224
• bsd/netinet/tcp_input.c
  • line 7182
  • line 7369
• bsd/netinet6/in6.c, line 4048
• bsd/netinet6/nd6.c, line 4459