(msdos-create-frame-with-faces): Renamed from make-msdos-frame.
(terminal-init-internal): New function, errors out if called.
(msdos-initialize-window-system): New function.
(msdos-create-frame-with-faces): Set the terminal's `terminal-initted' (sic!)
parameter.
(frame-creation-function-alist): Add msdos-create-frame-with-faces.
(window-system-initialization-alist): Add msdos-initialize-window-system.
(handle-args-function-alist): Use tty-handle-args for `pc' ``window system''
as well.
(pc-win): Provide.