unix环境下write函数同步和异步读写效率的比较-write function under unix synchronous and asynchronous read and write the comparative efficiency

linux下的PBX源码（SIP）-the source PBX (SIP)

AT&T汇编语言的I386依赖特征的特别说明，LINUX开发的必备资料-ATT assembler language of I386 on the special features of note, LINUX development of the requisite information

ppp协议的lwip源代码-ppp agreement lwip source code

使用在PC机上的g729语音压缩及编码程序，对makefile进行修改即可支持在嵌入式linux平台上使用。

at91rm9200 ATEML 公司920t内核 linux下设备驱动源码-AT91RM9200, ATEMEL s920T kernel driver soruce codes for linux.

linux camera下的uvc driver驱动源码-linux camera driver under the uvc driver source

所谓计算机网络就是通过通信线路互相连接的计算机的集合。它是由计算机及外围设 备，数据通讯和中断设备等构成的一个群体。本文介绍了liunx在网络编程中的相关知识-The so-called computer network through the communication line is connected collection of computers. It is by the computer and peripheral equipment, data communications and interrupt devices consisting of a group. This paper introduces network programming in liunx relevant knowledge

个人收集的读写SD卡FAT文件系统的代码，都是极其经典的，有些是付费买来的，给苦苦寻觅的朋友一起打包下载了。 非常精简，非常经典，适合做嵌入式系统应用，如MP3播放，bootloader加载等等！-Personal collection of read and write SD Card FAT file system code, are very classic, and some are purchased to pay for hard to find friends with packing downloaded. Very concise, very classic, suitable for embedded system applications, such as MP3 players, bootloader to load and so on!

The_Linux_Kernel_API Linux 内核API函数-The_Linux_Kernel_API