Uploading files to ftp server

I am trying to make a program, that uploads all files in directory to ftp server, but there is a problem. I can't get files from subdirectories. Here is what I have:
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#include	<iostream>
#include	<fstream>
#include	<string>
#include	<dirent.h>
#include	<WinInet.h>

#pragma	comment ( lib, "Wininet.lib" )

#define IsInvalidDir(dir)	( ( ( dir [ 0 ] == '.' ) && ( dir [ 1 ] == 0 ) ) || ( ( dir [ 0 ] == '.' ) && ( dir [ 1 ] == '.' ) && ( dir [ 2 ] == 0 ) ) )

using	namespace std;

HINTERNET
	Internet,
	Ftp;

string
	kelias;

void	ScanDirectory ( const char *dirname, string t_path = "\0" );
bool	FtpConnect ( string host, string user, string password );
bool	FtpUploadFile ( const char *file );


int	main ( )
{
	string
		hostas,
		vartotojas,
		slaptazodis;

	ifstream
		failas ( "info.txt" );
	
	cout << "Surenkama informacija is failo 'info.txt'\n" << endl;
	if ( failas.is_open ( ) )
	{
		while ( failas.good ( ) ) 
		{
			getline ( failas, hostas );
			getline ( failas, vartotojas );
			getline ( failas, slaptazodis );
			getline ( failas, kelias );
			break;
		}
		cout << ">> Hostas: " << hostas << endl;
		cout << ">> Vartotojas: " << vartotojas << endl;
		cout << ">> Slaptazodis: " << slaptazodis << endl << endl;
	}
	else
	{
		ofstream
			failas2;

		cout << "Nepavyko atverti failo." << endl;
		cout << "Failas kuriamas..." << endl;
		failas2.open ( "info.txt" );
		failas2 << "ftp_hostas\n";
		failas2 << "vartotojo_vardas\n";
		failas2 << "slaptazodis\n";
		failas2 << "katalogas\n";
		cout << "Failas sukurtas. Surasykite reikiamus duomenis y faila ir paleiskite programa is naujo." << endl;
		failas2.close ( );
		system ( "PAUSE" );
		return 1;
	}
	failas.close ( );
	
	if ( !FtpConnect ( hostas, vartotojas, slaptazodis ) )
	{
		cout << "Nepavyko prisijungi prie Ftp serverio." << endl;
		InternetCloseHandle ( Internet );
		InternetCloseHandle ( Ftp );
		system ( "PAUSE" );
		return 1;
	}

	ScanDirectory ( "." );

	system ( "PAUSE" );
	return 1;
}

void	ScanDirectory ( const char *dirname, string t_path )
{
	DIR
		*katalogas;
	dirent
		*katalogo_info;

	if ( !IsInvalidDir ( dirname ) )
	{
		t_path.append ( dirname );
		t_path.append ( "/" );
	}
	if ( t_path[0] == 0 )
		katalogas = opendir ( dirname );
	else
		katalogas = opendir ( t_path.c_str ( ) );

	while ( katalogo_info = readdir ( katalogas ) )
	{
		if ( katalogo_info->d_type == DT_DIR )
		{
			if ( !IsInvalidDir ( katalogo_info->d_name ) )
			{
				ScanDirectory ( katalogo_info->d_name, t_path );
			}
		}
		else
		{

		}
		cout << t_path << "  " << dirname << "/" << katalogo_info->d_name << endl;
	}
	closedir ( katalogas );
	
	size_t
		pos;
	pos = t_path.find ( dirname );
	if ( pos != string::npos )
		t_path.erase ( pos );
}

bool	FtpConnect ( string host, string user, string password )
{
	Internet = InternetOpen ( NULL, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0 );
	if ( Internet == NULL )
	{
		InternetCloseHandle ( Internet );
		cout << "infail" << endl;
		return false;
	}

	WCHAR
		whost [ 50 ],
		wuser [ 50 ],
		wpassword [ 50 ];

	char
		temp [ 50 ];

	strcpy ( temp, host.c_str ( ) );
	MultiByteToWideChar ( 0, 0, temp, -1, whost, 50 );
	strcpy ( temp, user.c_str ( ) );
	MultiByteToWideChar ( 0, 0, temp, -1, wuser, 50 );
	strcpy ( temp, password.c_str ( ) );
	MultiByteToWideChar ( 0, 0, temp, -1, wpassword, 50 );
	

	Ftp = InternetConnect ( Internet, whost, INTERNET_DEFAULT_FTP_PORT, wuser, wpassword, INTERNET_SERVICE_FTP, 0, 0 );
	if ( Ftp == NULL )
	{
		InternetCloseHandle ( Internet );
		InternetCloseHandle ( Ftp );
		cout << whost << " " << wuser << " " << wpassword << endl;
		return false;
	}
	return true;
}

bool	FtpUploadFile ( const char *file )
{
	char
		dest [ 200 ],
		ckelias [ 50 ];

	strcpy ( ckelias, kelias.c_str ( ) );
	sprintf ( dest, "%s/%s", ckelias, file );
	
	WCHAR
		wfile [ 50 ],
		wkelias [ 200 ];

	MultiByteToWideChar ( 0, 0, file, -1, wfile, 100 );
	MultiByteToWideChar ( 0, 0, dest, -1, wkelias, 200 );

	if ( !FtpPutFile ( Ftp, ( LPCWSTR )wfile, ( LPCWSTR )wkelias, FTP_TRANSFER_TYPE_BINARY, 0 ) )
	{
		return false;
	}
	return true;
}


Function ScanDirectory gets all files in current directory, and subdirectories, but if there is "CurrentDir/SecondDir/ThirdDir", program doesn't reach ThirdDir. How can I solve this?
Nesu naudojęs dirent.h, tad nelabai galiu padėt.
Pabandyk vietoj jo naudoti WinAPI funkcijas: http://msdn.microsoft.com/en-us/library/aa365200(VS.85).aspx
Arba boost: http://www.boost.org/doc/libs/1_48_0/libs/filesystem/v3/doc/index.htm
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