Defined in 2 files as a macro:

• bsd/netinet/if_ether.h, line 142 (as a macro)
• bsd/netinet6/nd6.h, line 70 (as a macro)

Referenced in 4 files:

• bsd/netinet/in_arp.c, line 934
• bsd/netinet6/nd6.c
  • line 3023
  • line 3059
• bsd/netinet6/nd6.h, line 69
• bsd/netinet6/nd6_nbr.c, line 414