NAME
        ScreenToBack -- Send the specified screen to the back of the display.

    SYNOPSIS
        ScreenToBack( screen )
                      A0

        VOID ScreenToBack( struct screen * );

    FUNCTION
        Sends the specified screen to the back of the display.

    INPUTS
        screen = pointer to a screen structure

    RESULT
        None

    BUGS

    SEE ALSO
        screendepth(), screentofront()