ChnlStack(3) on macOS
The text 82ce5153d393, as Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
stack an I/O channel on top of another, and undo it
The text 82ce5153d393, as Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
stack an I/O channel on top of another, and undo it