map</I
></TT
> marking the
first page of Unicode coverage of <TT
CLASS="PARAMETER"
><I
>a</I
></TT
>.
<TT
CLASS="PARAMETER"
><I
>*next</I
></TT
> is set to contains the base code point
for the next page in <TT
CLASS="PARAMETER"
><I
>a</I
></TT
>.  Returns the base code
point for the page, or <CODE
CLASS="CONSTANT"
>FC_CHARSET_DONE</CODE
> if
<TT
CLASS="PARAMETER"
><I
>a</I
></TT
> contains no pages.  As an example, if
<TT
CLASS="FUNCTION"
>FcCharSetFirstPage</TT
> returns
<TT
CLASS="LITERAL"
>0x300</TT
> an