获取计算机名

获取计算机名

#include <string>
#include <iostream>
#include <stdlib.h>
#include <time.h> 
#include <algorithm>

using namespace std;
int main()
{
    char* szComputerNameTemp;
    size_t sz = 0;
    errno_t  err = _dupenv_s(&szComputerNameTemp, &sz, "COMPUTERNAME");
    
    string strComputerName = "";
    strComputerName = szComputerNameTemp;
    transform(strComputerName.begin(), strComputerName.end(), strComputerName.begin(), ::toupper);//转化为大写 
    
    cout << strComputerName << endl;
    
    cin.get();
    return 0;
}