typedef struct an_icon_resource {
    BYTE        width;
    BYTE        height;
    BYTE        colour_count;
    BYTE        reserved[5];
    DWORD       DIB_size;
    DWORD       DIB_offset;
} an_icon_resource;

typedef struct an_icon {
    BITMAPINFO  *bm;
    BYTE        *xor_mask;
    WORD        xor_size;
    BYTE        *and_mask;
    WORD        and_size;
} an_icon;

typedef struct an_icon_file {
    WORD        reserved;
    WORD        type;
    WORD        count;
    an_icon_resource resources[1];
} an_icon_file;

extern an_icon_file *IconOpen(FILE *);
extern WORD IconCount(an_icon_file *);
extern void IconResInfo(an_icon_file *,an_icon_resource *,unsigned int );
extern an_icon *IconResourceToIcon(FILE *,an_icon_file *,unsigned int );
extern void IconFini(an_icon *);
extern HBITMAP IconToXorBitmap(HDC ,an_icon *);
extern HBITMAP IconToAndBitmap(HDC ,an_icon *);
extern void IconClose(an_icon_file *);