得到汉字的首拼

#include <iostream>
#include <string>
using namespace std;
static char convert(wchar_t n);
static bool In(wchar_t start, wchar_t end, wchar_t code);
int main(int argc, char* argv[])
{
 string sChinese = "我爱中国"; // 输入的字符串
 char chr[3];
 wchar_t wchr = 0;
 char* buff = new char[sChinese.length()/2];
 memset(buff, 0x00, sizeof(char)*sChinese.length()/2+1);
 for (int i = 0, j = 0; i < (sChinese.length()/2); ++i)
 {
  memset(chr, 0x00, sizeof(chr));
  chr[0] = sChinese[j++];
  chr[1] = sChinese[j++];
  chr[2] = '\0'; // 单个字符的编码 如：'我' = 0xced2
  wchr = 0;
  wchr = (chr[0] & 0xff) << 8; 
  wchr |= (chr[1] & 0xff); buff[i] = convert(wchr);
 }
 cout << "pin yin = [" << buff << "]" << endl; return 0;
}

char convert(wchar_t n)
{
 if (In(0xB0A1,0xB0C4,n))
  return 'a';
 if (In(0XB0C5,0XB2C0,n))
  return 'b';
 if (In(0xB2C1,0xB4ED,n))
  return 'c';
 if (In(0xB4EE,0xB6E9,n))
  return 'd';
 if (In(0xB6EA,0xB7A1,n))
  return 'e';
 if (In(0xB7A2,0xB8c0,n))
  return 'f';
 if (In(0xB8C1,0xB9FD,n))
  return 'g';
 if (In(0xB9FE,0xBBF6,n))
  return 'h';
 if (In(0xBBF7,0xBFA5,n))
  return 'j';
 if (In(0xBFA6,0xC0AB,n))
  return 'k';
 if (In(0xC0AC,0xC2E7,n))
  return 'l';
 if (In(0xC2E8,0xC4C2,n))
  return 'm';
 if (In(0xC4C3,0xC5B5,n))
  return 'n';
 if (In(0xC5B6,0xC5BD,n))
  return 'o';
 if (In(0xC5BE,0xC6D9,n))
  return 'p';
 if (In(0xC6DA,0xC8BA,n))
  return 'q';
 if (In(0xC8BB,0xC8F5,n))
  return 'r';
 if (In(0xC8F6,0xCBF0,n))
  return 's';
 if (In(0xCBFA,0xCDD9,n))
  return 't';
 if (In(0xCDDA,0xCEF3,n))
  return 'w';
 if (In(0xCEF4,0xD188,n))
  return 'x';
 if (In(0xD1B9,0xD4D0,n))
  return 'y';
 if (In(0xD4D1,0xD7F9,n))
  return 'z'; return '\0';
}

bool In(wchar_t start, wchar_t end, wchar_t code)
{
 if (code >= start && code <= end)
 {
  return true;
 }
 return false;
}

转自：http://blog.csdn.net/benny5609/archive/2008/06/12/2539958.aspx