logger(1) on FreeBSD
The text 9215d0b4c95b, as FreeBSD 12.0-RELEASE shipped it.
make entries in the system log
Flags it lists
-
-4 -
-6 -
-A -
-H -
-P -
-S -
-f -
-h -
-i -
-p -
-s -
-t