c++ utf8 변환

char* ANSIToUTF8(const char * pszCode)

{

int nLength, nLength2;

BSTR bstrCode; 

char* pszUTFCode = NULL;

nLength = MultiByteToWideChar(CP_ACP, 0, pszCode, strlen(pszCode), NULL, NULL); 

bstrCode = SysAllocStringLen(NULL, nLength); 

MultiByteToWideChar(CP_ACP, 0, pszCode, strlen(pszCode), bstrCode, nLength);

nLength2 = WideCharToMultiByte(CP_UTF8, 0, bstrCode, -1, pszUTFCode, 0, NULL, NULL); 

pszUTFCode = (char*)malloc(nLength2+1); 

WideCharToMultiByte(CP_UTF8, 0, bstrCode, -1, pszUTFCode, nLength2, NULL, NULL); 

return pszUTFCode;

}

char* UTF8ToANSI(const char *pszCode)

{

BSTR    bstrWide;

char*   pszAnsi;

int     nLength;

nLength = MultiByteToWideChar(CP_UTF8, 0, pszCode, strlen(pszCode) + 1, NULL, NULL);

bstrWide = SysAllocStringLen(NULL, nLength);

MultiByteToWideChar(CP_UTF8, 0, pszCode, strlen(pszCode) + 1, bstrWide, nLength);

nLength = WideCharToMultiByte(CP_ACP, 0, bstrWide, -1, NULL, 0, NULL, NULL);

pszAnsi = new char[nLength];

WideCharToMultiByte(CP_ACP, 0, bstrWide, -1, pszAnsi, nLength, NULL, NULL);

SysFreeString(bstrWide);

return pszAnsi;

}