Raspberry Pi3+, Сокет, итеративный сервер, параллелизация

#include <stdio.h>
#include <stdlib.h>
 
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
 
int main(){
 
char server_message [256] ="Reached the server";
// createserver socket
int server_socket;
server_socket =socket(AF_INET, SOCK_STREAM,0);
 
// define the server adress
 
struct sock_addr_in server_adress;
 
server_address.sin_family = AF_INET;
server_address.sin_port = htons (7654);
server_address.sin_addr.s_addr = INADDR_ANY;
 
 //bind the socket to  out specified IP and port
 
bind(server_socket, (struct sockaddr*) &server_address, sizeof(server_address));
 
listen(server_socket, 5);
 
 
int client_socket;
 
client_socket = accept(server_socket, NULL);
 
//send message
send(client_socket, server_message, sizeof(server_message),0);
 
//close socket
 
close(server_socket);
 
return 0;
};

include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
 
int  main (){
    // create a socket
    int network_socket;
    network_socket = socket(AF_INET, SOCK_STREAM, 0);
 
    // specify an adress for a socket
     struct sockaddr_in server_adress;
     server_adress.sin_family = AF_INET;
     server_address.sin_port = htons(7654);
     server_address.sin_addr.s_addr = INADDR_ANY;
 
     int connection_status = connect(network_socket, (struct sockaddr *) &server_address, sizeof(server_address);
     // check for error with the connection
     if (connection_status ==1){
     printf("Connection error to the remote socket\n \n");
     }
 
    // receive data fromthe server
    char server_responce[256];
    recv(network_socket, &server_response, sizeof(server_response), 0);
 
 
    // print out the server´s response
 
   printf("Server sent data %s\n", server_response);
 
   //close the socket
 
   close(network_socket);
    return 0;
}