m4(1) on FreeBSD
The text 5d6da16e4fe5, as FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE shipped it.
macro language processor
Flags it lists
-
-D -
-U -
-s
The text 5d6da16e4fe5, as FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE shipped it.
macro language processor
-D
-U
-s