压缩、解压缩（压缩率高，费时较长）-compression, decompression (high compression rate, longer time-consuming)

lib of Linux for Zipx

标准bzip进行裁剪和简单封装，可以copy过去直接编译使用的；可以通过调用libbz2.a库集成到其他的环境中(交叉编译) 参考bzip2的调用-Standard bzip cut and simple package, you can copy directly compiled using the past can be integrated into other environments (cross compiler)