StringCchLength?strlen, wcslen, ? _tcslen
HRESULT StringCchLength( __in LPCTSTR psz, __in size_t cchMax, __out size_t *pcch);
psz: [in] ?
cchMax: [in] ?pszSTRSAFE_MAX_CCH?
pcch: [out] NULL?psz?
S_OK?STRSAFE_E_INVALID_PARAMETER?StringCchLength?HRESULT?
StringCchLengthStringCchLength(CHARTEXT("string"))?StringCchLengthW("string")?
Windows XP SP2?Windows Server 2003 SP1?Strsafe.h?Unicode?ANSI?StringCchLengthW?StringCchLengthA?