rs232c两机通讯，delphi实现

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pptp协议源代码-pptp agreement source code

获取网络设置，网卡信息是一个获取网络DNS、子网掩码、网卡地址的综合程序-access to network configuration, network card, access to information is a DNS network, subnet mask, Ethernet addresses the integrated process

tcp socket for communication

将利用word,excel编辑，上传，下载网络文件的控件-will use the word, excel edit and upload and download documents Control Network

面向连接的服务器流程中，必须设置服务器套接字为监听状态；而客户机则是主动连接。无连接客户机和服务器。无连接客户机和服务器在调用的函数方面没有区别，区别在于服务器一般先启动recvfrom等待客户机的数据。客户机和服务器的通信过程为客户向服务器发送数据，服务器收到数据后给予应答，通信结束。-connection-oriented server process, you must set up to monitor server socket state; While the client is active connector. Without connecting client and server. Without connecting client and server in a function called no distinction, the general difference is the server for first launching recvfrom client data. Client and server communication process for clients to send data to the server, the server data received responses and communication end.

这是一个用dephi编写的用于监视tcp/udp端口的程序，能够实时监测各个端口的情况-dephi used for the preparation of the surveillance tcp/udp port procedures to real-time monitoring of various ports

prg4_1.c : TCP服务器。该程序等待客户的连接，一旦连接，则显示客户IP地址，并发信息回客户。-prg4_1.c : TCP server. The procedure for connecting customers, once connected, it shows that the client IP address, with the information back to customers.

网络聊天程序设计-Internet chat program design

windows socket网络编程之io完成端口模型的例子-windows socket network programming on the io completion port model examples