carbon-c-relay(1) on Linux
The text 3a1ff984117e, as Debian 9 (Stretch) shipped it.
carbon-compatible graphite line mode relay
Flags it lists
-
-B -
-D -
-H -
-L -
-P -
-S -
-T -
-b -
-c -
-d -
-f -
-i -
-l -
-m -
-p -
-q -
-s -
-t -
-v -
-w