Поиск по файлам и директориям

#include <windows.h>
#include <cstdio>
 
void print_spaces(int n) {
  for (int i = 0; i < n; ++i)
    printf(" ");
}
 
void RecursivePrintTree(char *folder_name, int spaces=0, int space_step=2) {
  WIN32_FIND_DATA file_find_data;
  HANDLE file_find_handle;
  print_spaces(spaces * space_step);
  printf("- %s\n", folder_name);
 
  char *find_string = new char[strlen(folder_name)+5];
  strcpy(find_string, folder_name);
  strcat(find_string, "\\*.*");
 
  file_find_handle = FindFirstFile(find_string, &file_find_data);
  if (file_find_handle != INVALID_HANDLE_VALUE) {
    do {
      if (file_find_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
        if ((strcmp(file_find_data.cFileName, ".") == 0) ||
            (strcmp(file_find_data.cFileName, "..") == 0)) {
          continue;
        }
        char *find_subdir = new char[strlen(folder_name)+1+
            strlen(file_find_data.cFileName) + 5];
        strcpy(find_subdir, folder_name);
        strcat(find_subdir, "\\");
        strcat(find_subdir, file_find_data.cFileName);
        RecursivePrintTree(find_subdir, spaces+1, space_step);
        delete [] find_subdir;
      } else {
        print_spaces((spaces + 1) * space_step);
        printf("- %s\n", file_find_data.cFileName);
      }
    } while (FindNextFile(file_find_handle, &file_find_data));
  }
  delete [] find_string;
}
 
int main(int argc, char *argv[]) {
  RecursivePrintTree("D:\\VIDEO");
 
  int key;
  scanf("%d", &key);
}