Windows的服务器端和客户端无法实现

代码来源是《TCP/IP》网络编程
服务器代码

#include<stdio.h>
#include<stdlib.h>
#include<winsock.h>
#pragma comment(lib, "ws2_32.lib")
void ErrorHandling(char* message);

int main(int argc,char* argv[])
    {
    WSADATA wsaData;
    SOCKET hServSock, hClnSock;
    SOCKADDR_IN servAddr, cIntAddr;
    int szClntAddr;
    char message[] = "Hello World";
    if (argc != 2)
    {
        printf("Usage : %s <port>\n", argv[0]);
        exit(1);
    }
    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
        ErrorHandling("WSAStartup() error!");
    hServSock = socket(PF_INET, SOCK_STREAM, 0);
    if (hServSock == INVALID_SOCKET)
        ErrorHandling("socket() error!");
    memset(&servAddr, 0, sizeof(servAddr));
    servAddr.sin_family = AF_INET;
    servAddr.sin_addr.s_addr = htonl(INADDR_ANY);
    servAddr.sin_port = htons(atoi(argv[1]));

    if (bind(hServSock, (SOCKADDR*)&servAddr, sizeof(servAddr)) == SOCKET_ERROR)
        ErrorHandling("bind() error");
    if (listen(hServSock, 5) == SOCKET_ERROR)
        ErrorHandling("listen() error");

    szClntAddr = sizeof(szClntAddr);
    hClnSock = accept(hServSock, (SOCKADDR*)&szClntAddr, &szClntAddr);
    if (hClnSock == INVALID_SOCKET)
        ErrorHandling("accept() error");

    send(hClnSock, message, sizeof(message), 0);
    closesocket(hClnSock);
    closesocket(hServSock);
    WSACleanup();
    return 0;
    }

void ErrorHandling(char* message)
{
    fputs(message, stderr);
    fputs("\n", stderr);
    exit(1);
}

客户端代码

int main(int argc, char* argv[])
{
    WSADATA wsaData;
    SOCKET hSocket;
    SOCKADDR_IN servAddr;

    char message[30];
    int strLen = 0;
    int idx = 0, readLen = 0;

    if (argc != 3)
    {
        printf("Usage : % s <IP><port>\n", argv[0]);
        exit(1);
    }

    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
        ErrorHandling("WSAStartup() error!");
    hSocket = socket(PF_INET, SOCK_STREAM, 0);
    if (hSocket == INVALID_SOCKET)
        ErrorHandling("socket() error!");
    memset(&servAddr, 0, sizeof(servAddr));
    servAddr.sin_family = AF_INET;
    servAddr.sin_addr.s_addr = inet_addr(argv[1]);
    servAddr.sin_port = htons(atoi(argv[2]));

    if (connect(hSocket, (SOCKADDR*)&servAddr, sizeof(servAddr)) == SOCKET_ERROR)
        ErrorHandling("connect() error");

    while (readLen = recv(hSocket, &message[idx++], 1, 0))
    {
        if (readLen == 1)
        {
            ErrorHandling("read() error");
        }

        strLen += readLen;
        if (message[idx - 1] == '\0')
            break;
    }
    printf("Message form server; %s\n", message);
    printf("function read call count:%d", strLen);

    closesocket(hSocket);
    WSACleanup();
    return 0;
}

void ErrorHandling(char* message)
{
    fputs(message, stderr);
    fputs("\n", stderr);
    exit(1);
}