Перемещение всех файлов в указанный каталог из подкаталогов

#include <iostream>
#include <windows.h>
 
#include <dir.h>
using namespace std;
main(){
HANDLE CreateFile (
   LPCTSTR FileName,  
   DWORD Access,      
   DWORD Sharing,     
   LPSECURITY_ATTRIBUTES Attrib,
   DWORD CreationDistr, 
   DWORD Flags,
   HANDLE Template);    
 
 
BOOL GetFileInformationByHandle (
   HANDLE File,
   LPBY_HANDLE_FILE_INFORMATION);   
 
BOOL ReadFile (
   HANDLE File,
   LPVOID Buf, 
   DWORD BytesToRead,     
   LPDWORD BytesRead,     
   LPOVERLAPPED Overlap); 
 
BOOL WriteFile (
   HANDLE File,            
   LPVOID Buf, 
   DWORD BytesToWrite,     
   LPDWORD BytesWriten,    
   LPOVERLAPPED Overlap);  
 
HANDLE In, Out;
In = CreateFile ("File.txt", GENERIC_READ, 0, NULL,
                 OPEN_EXISTING, 0, NULL);
Out = CreateFile ("Output.txt", GENERIC_WRITE, 0, NULL,CREATE_ALLWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
BOOL Finished;
 
do {
   Finished = ReadFile (In, Buffer, BufferSize, &NumOfRead,NULL);
   if (Finished && NumOfRead > 0)
      WriteFile (Out, Buffer, NumOfRead, &NumOfWriten, NULL);
} while (Finished > 0 && NumOfRead > 0);
 
CloseHandle (In);
CloseHandle (Out);
 
BOOL CopyFile(
   LPCTSTR ExistingFileName, 
   LPCTSTR NewFileName,      
   BOOL bFailIfExists);    
CopyFile("c:\\oldfile.exe", "c:\\newfile.exe", FALSE);
 
BOOL MoveFile(
   LPCTSTR ExistingFileName, 
   LPCTSTR NewFileName);    
BOOL DeleteFile(
   LPCTSTR ExistingFileName); 
 
 
MoveFile("c:\\tmp\\oldfile.txt", "c:\\newfile.txt");
DeleteFile ("c:\\tmp\\oldfile.txt");
 
DWORD SetFilePointer(
   HANDLE File,           
   LONG BytesToMove, 
   PLONG DistanceToMoveHigh, 
   DWORD dwMoveMethod);       
   
 
SetFilePointer (File, BytesToRead, 0, FILE_BEGIN);
 
BOOL CreateDirectory (
   LPCTSTR PathName,                           
   LPSECURITY_ATTRIBUTES lpSecurityAttributes); 
     
 
BOOL RemoveDirectory (
   LPCTSTR lpPathName); 
if (RemoveDirectory("c:\\new")) printf ("Cataloge deleted\n");
 
DWORD GetCurrentDirectory (
   DWORD BufferLength,  
   LPTSTR Buffer);      
BOOL SetCurrentDirectory (
   LPCTSTR PathName);   
 
GetCurrentDirectory (sizeof (buffer), buffer);
printf ("%s\n", buffer);
 
SetCurrentDirectory ("D:\\");
GetCurrentDirectory (sizeof (buffer), buffer);
printf ("%s\n", buffer);
 
HANDLE FindFirstFile (
   LPCTSTR FileName, 
   LPWIN32_FIND_DATA FindData); 
      
 
BOOL FindNextFile (
   HANDLE FindFile,  
   LPWIN32_FIND_DATA FindData);  
 
WIN32_FIND_DATA FindData;
HANDLE MyFile;
 
MyFile = FindFirstFile ("d:\\*.*", &FindData);
if (MyFile != INVALID_HANDLE_VALUE) {
   do {
       printf ("%s\n", FindData.cFileName;
      } while (FindNextFile (MyFile, &FindData));
   FindClose (MyFile);
}
 
 
BOOL FindClose (
   HANDLE FindFile);  
 
}

#include <windows.h>
//...
MoveFile("С:\\1\\1.txt", "С:\\2\\1.txt");
MoveFile("С:\\1\\2.txt", "С:\\2\\2.txt");
//....

#include <iostream>
#include <windows.h>
#include <cstring>
using namespace std;
main() {
       string a,b;
       tryA: cout<<"enter a file: ";
       cin>>a;
       cout<<"enter a file and new name: ";
       cin>>b;
       
    
    
      BOOL c = MoveFile(a.c_str(), b.c_str());
      if (!c) {
         cout << "Error: " << GetLastError() << endl;} 
      else {
           cout << "ok, it's moved" << endl;
            DeleteFile (a.c_str());
           }
           
    
     system("pause");
 
 
     }