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本文讲述了linux操作系统下网络编程的相关步骤。 　Linux的源码里，网络接口的实现部份是非常值得一读的，通过读源码，不仅对网络协议会有更深的了解，也有助于在网络编程的时候，对应用函数有更精确的了解和把握。 　　本文把重点放在网络接口程序的总体结构上，希望能作为读源码时一些指导性的文字。 -This article describes network programming under linux operating system of the relevant steps. Linux source code, the network interface to achieve most of it is very worth reading, by reading the source, not only on the network will have a deeper understanding of the agreement, will also help in network programming when the application has a more precise function understanding and grasp. This article focused on the network interface on the overall structure of the procedure, hoping for some guidance when reading source code of the text.

document from Aircom on GSM

T9输入法中文源代码，包括演示程序，对做手机软件的人很有帮助！-Chinese T9 source code, including a demonstration procedures, so the phone software helpful!

描述了qpsk过程，与大家交流，请多多指正-described qpsk process, and the exchange of, and invites further correction

滤波器设计1.rar-Filter Design 1.rar

串口通讯，利用串口控件实现对RS232的读写操作！-Serial communications, the use of RS232 serial control to achieve the read-write operation!

用S60操作系统SDK开发NOKIA手机应用程序-范例HelloWorld分析-S60 operating system to use SDK to develop mobile applications NOKIA- HelloWorld Example Analysis

origami A very exciting book

H.323 2000年规范的文档，是H.323 V4的标准，这是目前最通用的版本，是学习开发H.323的必备材料。-2000 H.323 standard documents, is the standard H.323 V4, which is currently the most common form, is to study the development of the requisite material H.323.

RS-485通訊Port,採用modbus - ASCII protocol,應用在Renesas R8C MCU Message Handle has 5 process, TXD, RXD, IDLE,Read Data, and Set Function process Uart _interrupt() is receive data from rS-485 bus