sndioctl(1) on OpenBSD
The text 85f9ff0e8d4e, as OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3, OpenBSD 7.2, OpenBSD 7.1 shipped it.
manipulate audio device controls
Flags it lists
-
-d -
-f -
-i -
-m -
-n -
-q -
-v