Defined in 2 files as a macro:

• bsd/netinet/in_var.h, line 85 (as a macro)
• bsd/netinet6/in6_var.h, line 102 (as a macro)

Referenced in 4 files:

• bsd/netinet/in.c
  • line 570
  • line 1133
  • line 1141
  • line 1240
• bsd/netinet/raw_ip.c
  • line 606
  • line 631
  • line 645
• bsd/netinet6/in6.c
  • line 1192
  • line 1201
  • line 1411
  • line 1424
  • line 1874
• bsd/netinet6/in6_ifattach.c, line 985