title udns

资源描述与msDOS完全兼容的操作系统的源代码支持2gb以上的大硬盘 

功能：计算两个time_t时间的差，返回值为double类型的秒-functions : two time_t terms of the time difference, return value to the type of double seconds

串口调试源代码软件，源程序用C++ Builder编译。-Serial debug source code software source code with C++ Builder compiler.

21种加密54种压缩 算法模块,21种加密54种压缩 算法模块-21 kinds of encryption algorithms 54 kinds of compression modules, 21 kinds of encryption module 54 kinds of compression algorithm

请好好的使用！别忘记顶-please use good! Forget the top

很我算法都会用到数据计算的问题，本程序可实现简单的数字计算（加减乘除等），对进行后面的复杂运算有一定的参考价值，-algorithm will use the data, The program can achieve Simple arithmetic (such as arithmetic), for the rest of the complex computing a certain reference value,

模拟雷电3的射击游戏,逼真的没话说,源代码和生成文件都在这里了,还不来下-simulated shooting games, lifelike and unique source code and documents are generated here, not to under

server u是一款非常注明的ftp工具，操作简单，非常适合搭建跑、ftp服务器。-server u is a highly specified ftp tools, simple operation, very suitable to build run, ftp server.

一个简单的数据库程序-a simple database program

pdf417 二维条码 源码C#版本 能根据输入的字符生成相应的2维码。并保存。-pdf417 barcode source code C# version of the character input is generated according to the corresponding two-dimensional code. And save.