NAME
        CardChangeCount -- Obtain card change count.

   SYNOPSIS
        count = CardChangeCount( VOID )
        d0

        ULONG CardChangeChange( VOID );

   FUNCTION
        This function returns the card change count.  The
        counter is incremented by one for every removal, and
        for every successful insertion (a card which is inserted
        long enough to be debounced before it is removed again).

   RESULT
        The change count number.

   NOTES
        This function may be called from a task, or any level interrupt.

   SEE ALSO