функцию для удаления файла на жестком диске

#include <iostream>
#include <string>
#include <stdio.h>
using namespace std;
int main()
{
  
remove("D:\1\*.exe");
cout << "Delete" << endl;
  
 
    return 0;
}

#include <boost/filesystem.hpp>
#include <iostream>
 
//delete file in current dir. name contains in argv[1]
int main(int argc, char* argv[])
{
   namespace fs = boost::filesystem;
   fs::remove(fs::current_path() /= argv[1]);
}

#include <boost/filesystem.hpp>
#include <boost/regex.hpp>
#include <iostream>
 
//delete all files with needed extension in current dir. extension contains in argv[1]
int main(int argc, char* argv[])
{
   namespace fs = boost::filesystem;
   boost::regex reg(std::string("\.+.") + argv[1]);
   for (fs::directory_iterator iter = fs::directory_iterator(fs::current_path()); 
        iter != fs::directory_iterator(); ++iter)
   {
      if (boost::regex_match(iter->path().generic_string(), reg))
      {
         fs::remove(iter->path());
      }
   }
}

#include <boost/filesystem.hpp>
#include <iostream>
 
//delete all files with needed extension in current dir. extension contains in argv[1]
int main(int argc, char* argv[])
{
   namespace fs = boost::filesystem;
   for (fs::directory_iterator iter = fs::directory_iterator(fs::current_path()); 
        iter != fs::directory_iterator(); ++iter)
   {
      if (iter->path().extension() == std::string(".") + argv[1])
      {
         fs::remove(iter->path());
      }
   }
}