TCP/IP

#include "stdafx.h"
#include <winsock2.h>
#include <iostream>
#include <stdlib.h>
#include <cstring>
#include <Ws2tcpip.h>
#include<conio.h>
#pragma comment(lib, "ws2_32.lib")
using namespace std;
 
 
int main()
{
    setlocale(LC_ALL, "Russian");
    WORD wVersionRequested;
    WSADATA wsaData;
    wVersionRequested = MAKEWORD(2, 2);
    WSAStartup(wVersionRequested, &wsaData);
    SOCKET s = socket(AF_INET, SOCK_STREAM, 0);
    struct sockaddr_in local;
    local.sin_family = AF_INET;
    local.sin_port = htons(1280);
    local.sin_addr.s_addr = htons(INADDR_ANY);
    int c = bind(s, (struct sockaddr*)&local, sizeof(local));
    listen(s, 2);
    while (true) {
        char buf[100], a, b[100], *Res;
        sockaddr_in remote_addr;
        int size = sizeof(remote_addr);
        SOCKET s2 = accept(s, (struct sockaddr*)&remote_addr, &size);
        while (recv(s2, b, sizeof(b), 0) != 0) {
            for (unsigned int i = 0; i < strlen(b); i++)
                for (unsigned int j = strlen(b) - 1; j > i; j--) {
                    if (*(b + j - 1) > *(b + j)) {
                        a = *(b + j);
                        *(b + j) = *(b + j - 1);
                        *(b + j - 1) = a;
                    }
                }
            Res = new char[strlen(b) + 1];
            strcpy_s(Res,sizeof(Res), b);
            Res[strlen(b)] = '\0';
            send(s2, Res, sizeof(Res)-2, 0);
 
        }
 
        closesocket(s2);
        WSACleanup();
    }
    return 0;
}

#include "stdafx.h"
#include<winsock2.h>
#include <iostream>
#include<stdlib.h>
#include <Ws2tcpip.h>
#pragma comment(lib, "ws2_32.lib")
using namespace std;
 
 
int main()
{
    setlocale(LC_ALL, "Russian");
    WORD wVersionRequested;
    WSADATA wsaData;
    wVersionRequested = MAKEWORD(2, 2);
    WSAStartup(wVersionRequested, &wsaData);
    struct sockaddr_in peer;
    peer.sin_family = AF_INET;
    peer.sin_port = htons(1280);
    peer.sin_addr.s_addr = inet_pton(AF_INET, "127.0.0.1", &peer.sin_addr);
    SOCKET s = socket(AF_INET, SOCK_STREAM, 0);
    connect(s, (struct sockaddr*)&peer, sizeof(peer));
    char b[100], buf[100];
    cout << "Введите строку" << endl;
    cin >> buf;
    send(s, buf, sizeof(buf), 0);
    if (recv(s, b, sizeof(b), 0) != 0) {
        b[strlen(b)] = '\0';
        cout << b << endl;
    }
    closesocket(s);
    WSACleanup();
    return 0;
}