用C语言实现的UDP协议的socket编程，请大家研究研究-C language of the UDP socket programming, please studies 下载
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TCP与UDP套接字编程，用C语言开发的-TCP and UDP socket programming, C language development 下载
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JICQ是用JAVA语言编写的一个基于客户机/服务器(C/S)模式的局域短信实时通信工具系统，系统采用了Microsoft公司的SQL Server 2000作为后台数据库，系统通过JDBC访问数据库。系统分为服务器程序和客户程序两部分，服务器与客户间采用“传输控制协议”（TCP），通过套接字（Socket）连接，客户之间采用“用户数据报协议”（UDP），通过数据报套接字（DatagramSocket）建立连接。系统具有用户注册、用户登录、添加好友、删除好友、发送和接收消息等功能。-JICQ Java is a language based on the client / server (C / S) mode Local SMS real-time communications tool, the system uses Microsofts SQL Server 2000 database as a background, system access to the database through JDBC. System is divided into server and two clients, the server-client "Transmission Control Protocol" (TCP), socket (Socket) connectivity, customers using the "User Datagram Protocol" (UDP), through Datagram Sockets (DatagramSocket) establish a connection. Users registered with the system, users log in, friends add, delete friends, send and receive news and other functions. 下载
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uIP是由瑞士计算机科学院的Adam Dunkels等开发的一种免费公开源代码的小型TCP／IP协议栈，它专门为8位和16位MCU编写。uIP完全是用C语言编写，它在保证一个完整的TCP／IP栈的前提下，只保留了最必要的一系列特征，使其代码最少、占用的RAM最小；它只能处理单一的网络接口。通常的TCP／IP栈采用BSD socket API，需要来自下层的多任务操作系统的支持，而且任务管理、语境切换以及堆栈空间的分配都要占用很大的开销，超出了8位机系统的能力。uIP采用了一个 事件驱动接口，通过调用应用程序响应事件。而相应的应用程序作为C函数调用。通常情况下，uIP的源代码虽然只有几KB，RAM占用仅几百字节，但uIP 提供了网络通信所必须的协议，包括：ARP、SLIP、IP、UDP、ICMP(PINC)和TCP；能够满足8位MCU接入TCP／IP网络(如Internet)的需要。目前uIP最新的版本为V0.9，符合Internet标准。-Application of ulP by the Swiss Academy of the computer, such as Adam Dunkels development of a free open-source small TCP / IP protocol stack, it specifically for 8 and 16-bit MCU prepared. Application of ulP is entirely written in C, which guarantees a full TCP / IP stack on the premise that retaining only the most essential characteristics of the series, at least it code, the minimum occupancy of RAM; It can handle only a single network interface. Usually the TCP / IP stack used BSD socket API, from the need to lower the multi-task operating system support, and task management, Context switching stack space and the distribution should occupy much overhead, beyond the eight-machine system capacity. Application of ulP adopted a event-driven interface, called the incident response applicati 下载
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