Defined in 4 files as a macro:
- contrib/tcp_wrappers/tcpdchk.c, line 82 (as a macro)
- sbin/dhclient/dhctoken.h, line 112 (as a macro)
- sys/contrib/openzfs/module/os/freebsd/zfs/zfs_acl.c, line 58 (as a macro)
- sys/contrib/openzfs/module/os/linux/zfs/zfs_acl.c, line 56 (as a macro)