typedef struct _cpinfoexW {
    UINT    MaxCharSize;                    
    BYTE    DefaultChar[MAX_DEFAULTCHAR];   
    BYTE    LeadByte[MAX_LEADBYTES];        
    WCHAR   UnicodeDefaultChar;             
    UINT    CodePage;                       
    WCHAR   CodePageName[MAX_PATH];         
} CPINFOEXW, *LPCPINFOEXW;

typedef LPCPINFOEXW LPCPINFOEX;