carbon-c-relay(1) on Linux
The text dae66628ab32, as Debian 10 (Buster) shipped it.
carbon-compatible graphite line mode relay
Flags it lists
-
-B -
-C -
-D -
-E -
-H -
-L -
-O -
-P -
-S -
-T -
-U -
-b -
-c -
-d -
-f -
-l -
-m -
-p -
-q -
-s -
-t -
-v -
-w