Defined in 3 files as a enumerator:
- external/bsd/ntp/dist/lib/isc/unix/socket.c, line 619 (as a enumerator)
- external/mpl/bind/dist/lib/isc/netmgr/netmgr-int.h, line 728 (as a enumerator)
- external/mpl/bind/dist/lib/isc/unix/socket.c, line 502 (as a enumerator)