How to create a folder using C++ programming?

#include <stdio.h>
#include <conio.h>
#include <process.h>
#include <dir.h>
#define DIRNAME "c:\\testdir"
int main(void)
{
   int stat;
   stat = mkdir(DIRNAME);
   if (!stat)
      printf("Directory created\n");
   else
   {
      printf("Unable to create directory\n");
      exit(1);
   }
   getch();
   system("dir/p");
   getch();
   stat = rmdir(DIRNAME);
    if (!stat)
      printf("\nDirectory deleted\n");
   else
   {
      perror("\nUnable to delete directory\n");
      exit(1);
   }
   return 0;
}