aucat(1) on OpenBSD
The text f39b0b076369, as OpenBSD 4.6 shipped it.
audio server and stream manipulation tool
Flags it lists
-
-b -
-e -
-f -
-h -
-i -
-l -
-m -
-n -
-o -
-r -
-s -
-u -
-v -
-x