#include<iostream>
#include<Windows.h>
using namespace std;
int main(){

    //Local variable
    WIN32_FIND_DATA FindFileData;
    HANDLE hFindFile;
    LPCWSTR file = L"C:\\Users\\BATUHAN\\Desktop\\*";
    //STEP-1 FindFirst File Function

    hFindFile = FindFirstFile(
        file, 
        &FindFileData);
    if(INVALID_HANDLE_VALUE == hFindFile){
        cout << "Error in Finding File" <<endl;
        cout << "Error - " << GetLastError() << endl;
    }
    else{
        cout << "File Found" << endl;
        wcout << "File Name : " <<FindFileData.cFileName << endl;
        wcout << "File Size : " <<FindFileData.nFileSizeLow << endl;
    }

    //STEP-2 FindNextFile Function
    while(FindNextFile(hFindFile, &FindFileData)){
        wcout << "File Name : " <<FindFileData.cFileName << endl;
    }
    //STEP-3 File Close Function
    FindClose(hFindFile);

    system("PAUSE");
}

#include <iostream>
#include <filesystem>
#include <string>
#include <vector>

std::vector<std::string> files_in_directory( const std::string& path_to_dir ) {

    std::vector<std::string> file_names ;

    for( const auto& entry : std::filesystem::directory_iterator(path_to_dir) )
        file_names.push_back( entry.path().string() ) ;

    return file_names ;
}

int main(){

    const std::string path_to_dir = "/dev" ;
    for( const std::string& file_name : files_in_directory(path_to_dir) ) std::cout << file_name << '\n' ;
}