请问各位老大：UCS2码怎么转化为GB2312码？急！！

[jeam0402]

请问各位老大：UCS2码怎么转化为GB2312码？
有个char temp[100],是USC2码的，请问各位高手高手高高手怎么把它转化为GB2312码？急啊

[thisisll]

widebytetomultibyte

[iamknight]

/*****************************************************************************
* Class : Global Function
* Function : to_MultiByte
* Description: 把Unicode转换成多字节
* Parameters : char* strSM --要转换的Unicode缓冲
* int nLength -- Unicode缓冲的长度
* Return : 转换后的多字节字串
* Input :
* Output :
* History : Created by Rongdian Monday, April 29, 2002 11:03:15
* Process :
******************************************************************************/
CString to_MultiByte(char* strSM, int nLength){
UINT nLen = 0;
PBYTE lpszM;
PBYTE lpszW = new BYTE[nLength];
memcpy(lpszW, strSM, nLength);

for(int i = 0; i < nLength/2; i++)
*((unsigned short*)lpszW + i) = ntohs(*((unsigned short*)lpszW + i));

nLen = WideCharToMultiByte(936, WC_COMPOSITECHECK,
(const unsigned short*)lpszW, nLength/2, NULL, 0, NULL, NULL);

lpszM = new BYTE[nLen+1];

nLen = WideCharToMultiByte(936, WC_COMPOSITECHECK,
(const unsigned short*)lpszW, nLength/2, (char*)lpszM, nLen, NULL, NULL);

lpszM[nLen] = 0;
CString csSM((LPCTSTR)lpszM, nLen);
delete lpszM;
delete lpszW;
return csSM;
}

[jeam0402]

不好意思，由于别的事情这个搁置了一段时间，iamknight好象可以，测试了几个都没问题，谢谢了！俺是个新手，特别感谢你能给这么详细的代码！