StdChannels(3) on macOS
The text f38db8b93786, as Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
How the Tcl library deals with the standard channels
The text f38db8b93786, as Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
How the Tcl library deals with the standard channels