freebsd-lex(1) on Linux
The text 7dbda8b3f974, as Debian 7 (Wheezy) shipped it.
fast lexical analyzer generator
Flags it lists
-
-+ -
-7 -
-8 -
-B -
-C -
-F -
-I -
-L -
-Pprefix -
-Sskeleton_file -
-T -
-V -
-b -
-c -
-d -
-f -
-h -
-i -
-l -
-n -
-ooutput -
-p -
-s -
-t -
-v -
-w