#include <stdio.h>
#include <windows.h>

int main(int ac, char *av[]) {
  char *dir = (ac<2)?"c:\\":av[1];
  char buf[80];
  int res = SetCurrentDirectory(dir);
  int res1 = GetCurrentDirectory(80, buf);
  printf("Current dir: %s\n", buf);
  return res;
}