Defined in 2 files as a macro:

• bsd/netinet6/in6.h, line 539 (as a macro)
• bsd/netinet6/in6.h, line 625 (as a macro)

Referenced in 2 files:

• bsd/netinet6/ip6_output.c
  • line 3079
  • line 3358
  • line 3420
  • line 3784
  • line 3905
  • line 3912
  • line 3945
• tests/sockopt_ipv6.c, line 746