tools of ultra

linux的PBX源代码（sip）-PBX source code (sip)

linux 应用程序API_进程 进程和信号编程 管道/io ,进程间通讯，网络编程， 线程机制 -linux application process and signal process API_ programming pipeline/io, inter-process communication, network programming, threading mechanism

在mx21+linux2.4.18平台上实现gprs拨号上网，文件夹是pppd的配置文件源代码及说明-In mx21+ Linux2.4.18 platform realize gprs dial-up Internet access, folder is the configuration file pppd source code and description

BLT is a library of extensions to the Tk library. It adds new commands and variables to the application s interpreter. -BLT is a library of extensions to the Tk LIBR ary. It adds new commands and variables to the ap scalable s interpreter.

老外开发的端口开发程序-foreigners development of the port development process

GNU Make 使用手册（中译版）； 没必要多说-GNU Make Manual (Chinese translation edition) no need to say more

Pango is a library for layout and rendering of text, with an emphasis on internationalization. Pango can be used anywhere that text layout is needed however, most of the work on Pango so far has been done using the GTK+ widget toolkit as a test platform. Pango forms the core of text and font handling for GTK+-2.x.

清华大学－电子信息工程系－实验用ARM-linux－源代码－TIMER篇-Tsinghua University- Electronic Information Engineering- experiment with ARM-linux-source code-TIMER articles

串口传输文件device端实例-serial device to transfer files example-

linux/kd.h文件中介绍了ioctl函数能够使用的命令，该文件中包含了各种命令的使用例子-linux/kd.h document introduced the ioctl function to use the command, the document contains examples of the use of a variety of command