syslogd(8) on macOS
The text a08cfbf0c18c, as Mac OS X 10.8.5, Mac OS X 10.8.4, Mac OS X 10.8.3, Mac OS X 10.8.2, Mac OS X 10.8.1, Mac OS X 10.8 shipped it.
Apple System Log server
Flags it lists
-
-D -
-asl_action -
-asl_in -
-bsd_in -
-bsd_out -
-d -
-db_max -
-dup_delay -
-klog_in -
-m -
-mps_limit -
-udp_in -
-utmp_ttl