m4(1) on FreeBSD
The text 69599c290436, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE shipped it.
macro language processor
Flags it lists
-
-D -
-U
The text 69599c290436, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE shipped it.
macro language processor
-D
-U