fgen(1) on OpenBSD
The text 2a08e2d4382d, as OpenBSD 5.3, OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0, OpenBSD 4.9, OpenBSD 4.8, OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5 shipped it.
IEEE 1275 Open Firmware FCode Tokenizer
Flags it lists
-
-d -
-o