shtool-scpp(1) on Linux
The text facaf4d7f4b2, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
GNU shtool C source file pre-processor
Flags it lists
-
--class -
--define -
--filter -
--mark -
--output -
--preserve -
--template -
--verbose -
-C -
-D -
-M -
-f -
-o -
-p -
-t -
-v