What is the right form for using threads to make a client server code

#include <iostream>
#include<windows.h>
#include<winsock.h>
#include<winsock2.h>
#include<initguid.h>
#include<unistd.h>
#include<assert.h>
#include<malloc.h>
#include<thread>
#include<stdio.h>
//#include<pthread.h>
#include<boost/thread.hpp>
//#include<boost/thread/pthread/once.hpp>

void check_client(int argc, char** argv)
{
    int sockfd, conn_state;
    struct sockaddr_in serv_addr;
    struct hostent* serv;
    char* buff = (char*) malloc(sizeof(char*)*100);
    sockfd = socket(AF_INET,SOCK_STREAM,0);
    if (argc != 3)
    {
        printf("Not enough User Input!\n\n");
        //exit(0);
        //break ;

    }
    if( sockfd < 0 )
    {
        printf("[!] Error creating socket file descriptor!\n\n");
       // exit(0);
       //break ;
    }

    serv = gethostbyname(argv[1]);

    if( serv == NULL)
    {
        printf("[!] Error getting hostname's address!\n\n");
        //exit(0);
        //break ;
    }
   /* return 0 ;*/

          }

    void server_Side (int argc, char** argv)

    {

     int sockfd , bind_state , acc_state, client_len;
     struct sockaddr_in server_addr, client_addr;
     //char buff =(char*)malloc(sizeof(char*)*100);
      char* buff = (char*) malloc(sizeof(char*)*100);
     sockfd = socket(AF_INET, SOCK_STREAM,0);
     if(sockfd<0)
     {
         printf("[!] error creating socket file! \n\n");
         //exit(0);
         //break ;
     }
    printf("waiting for connection");
    listen(sockfd,5);
    client_len= sizeof(client_addr);
    acc_state = accept(sockfd, (struct sockaddr*)&client_addr , &client_len);
    printf("acc_state : %d \n\n", acc_state);
    if(acc_state<0)
    {
        printf("[!] error accepting the coming connection from cliebt \n\n");
        //exit(0);
       // break ;
    }
     printf("communication established successfully with client\n");
     printf("[~] wiating any incoming buffer ... \n\n");
     read(acc_state , buff , 100+1);
     printf("[s] thanks for connecting", sizeof("[s] thanks again ")+1);

    close(sockfd);
   /* return 0;*/
   }


   using namespace std ;
//int main (int argc, char ** argv) {
int main () {
    using namespace boost ;
    char *cv , *cd , *argv ;
    int argc ;
    /*thread_1 = boost.thread ();
    thread_2 = boost.thread();
   boost.thread thread_1 = boost.thread (check_client , int argc , char** argv);
   boost.thread thread_2 = boost.thread (server_Side, int argc , char** argv);*/


     boost :: thread thread_1 = thread (server_Side, argc, &&argv);
    boost :: thread thread_2 = thread(check_client,  argc, &&argv);


   server_Side(4,&cd);
   check_client (4,&cv);

   thread_1.join();
   thread_2.join();


    return 0;
}






     /*std :: thread first (check_client,int argc,char** argv);
     std :: thread second (server_Side,int argc,char** argv);
     std :: THREAD_PRIORITY_IDLE (server_Side,int argc,char** argv);*/
    /* std :: THREAD_PRIORITY_IDLE ;
     first  = THREAD_PRIORITY_IDLE (check_client,int argc,char** argv);
     std :: THREAD_PRIORITY_IDLE; second = THREAD_PRIORITY_IDLE (server_Side,int argc,char** argv);*/
    /* std :: THREAD_ALL_ACCESS first (check_client,int argc,char** argv);
     std :: THREAD_ALL_ACCESS second (server_Side,int argc, char** argv);*/