一个最简单聊天程序

来源：互联网发布：外国域名注册编辑：程序博客网时间：2024/06/06 14:12
//客户端的代码：
#include <stdio.h> 
#include <string.h> 
#include <conio.h> 
#include <winsock2.h> 
#pragma comment(lib, "Ws2_32.lib") 
SOCKET self;
long chang;
sockaddr_in local1;
WSADATA data;
int dataReturn;
bool canrecv = true;
char chat1[256] = {0};
static char addrto[50] = {0};
char recevie1[256] = {0};
int MyClient(void)
{
    dataReturn = WSAStartup(0x101,&data);
    if(dataReturn)
    {
        printf("未知错误!/n");
        WSACleanup();
        return 0;
    }
    self = socket(AF_INET,SOCK_STREAM,0);
    if(self == INVALID_SOCKET)
    {
        printf("创建socket失败!/n");
        return 0;
    }
    local1.sin_family = AF_INET;
    local1.sin_port = htons((u_short)4567);
    while(1)
    {
        printf("请输入你要登陆的IP地址:");
        scanf("%s",addrto);
        local1.sin_addr.s_addr = inet_addr(addrto);
        printf("正在登陆…………/n");
        chang = connect(self,(sockaddr *)&local1,sizeof(local1));
        if(chang == -1)
        {
            printf("connect失败!/n");
            WSACleanup();
            return 0;
        }
        while(1)
        {
            if(canrecv)
            {
                printf("………………………………………接收消息……………………………………/n");
                recv(self,recevie1,sizeof(recevie1),0);
                printf("%s/n",recevie1);
                canrecv = false;
                printf("………………………………………接收完成……………………………………/n");
            }
            else
            {
                printf("请输入你要说的话:");
                scanf("%s/0",chat1);
                send(self,chat1,sizeof(chat1),0);
                canrecv = true;
            }
        }
        
    }
    closesocket(self);
    WSACleanup();
    return 0;
}
int main(void)
{
    int yes;
    yes = MyClient();
    if(!yes)
    {
        printf("启动客户端失败!/n");
    }
    
    return 0;
}