int Gb2312toUtf8(char *inbuf,char *outbuf)
{
#ifdef ISCHANGE
iconv_t cd;
int inlen,outlen;
inlen=strlen(inbuf);//得到输入字符串的长度
outlen=100;//输出字符串长度。
char **pin=&inbuf;
char **pout=&outbuf;
cd=iconv_open("utf-8","gb2312");//设置为GB2312转为UTF-8
if (cd==0) return -1;
memset(outbuf,0,outlen);
if(iconv(cd,pin,&inlen,pout,&outlen)==-1)
return -1;
iconv_close(cd);
#else
Strcpy(outbuf,inbuf);
#endif
return 0;
}