关于lstrlen function，参考：https://msdn.microsoft.com/en-us/library/windows/desktop/ms647492(v=vs.85).aspx
以下代码摘自：http://blog.csdn.net/hczhiyue/article/details/6248229
另外，可参考：http://blog.csdn.net/dongpanshan/article/details/7898574
IDE: Code::Blocks 16.01
操作系统：Windows 7 x64
1 #include <windows.h> 2 #include <iostream> 3 4 using namespace std; 5 6 int main(int argc, _TCHAR* argv[]) 7 { 8 char str1[] = "I‘m a Chinese."; 9 10 // Determines the length of the specified string (not including the terminating null character). 11 cout << lstrlen((LPCTSTR)str1) << " bytes" << endl; 12 13 // Determines the length of the specified string (including the terminating null character). 14 cout << sizeof(str1) << " bytes" << endl; 15 16 return 0; 17 }
在Code::Blocks 16.01中的运行结果：
