CPP_Socket

通过此软件可以获取网页验证码，用于研究软件来控制网页中的元素信息.(With this software, you can access to the website code, used to study the software to control elements of the website information.)

很好的源程序代码,具有很好的学习价值,可以下载使用(Good source code, has the very good learning value, can be used to download)

说明：  本程序是window平台下，使用virtual C++编写文件下载程序，使用了Http协议(This program is a window platform, use the virtual C++ writing the file download process, using Http protocol)

说明：  根据域名获得IP地址列表 根据域名获得IP地址列表(under the name list of IP addresses under the domain of IP address list)

使用Winsocket API实现的网络通信功能，分客户端和服务器端。(Winsocket API to achieve the use of the network communication function, sub-client and server.)

实现可靠的UDP封装传输类，可以进行多点传输，采用超时重发机制(Reliable transmission of UDP encapsulation type, can be multi-point transmission, the use of timeout retransmission mechanism)

网络重传选择协议，可以检查传输信息的正确性。通过接受方的校检，通知发送方重新发送。 ( Network retransmission protocol, you can check the correctness of the transmission of information. By accepting the prosecution s school to notify the sender to resend.)

一个支持pop3的简单的邮件收发程序(a simple mail procedures)

eMuleBT驴 源程序，是一个较好的使用p2p技术的实现，其流行也带动了p2p技术的快速发展。(donkey eMuleBT source is a better use of p2p technology, realize, and its popularity has also led to the rapid development of p2p technologies.)

利用vc++实现modbus tcp通信(Using vc++ to implement Modbus TCP communication)