网络图片异步多线程加载工具，可设置缓存方式，支持主流图片格式，以及webp图片，支持自定义网络请求类，支持根据系统级别自动区分使用NSURLSession与NSURLConnection请求。

A B-plus tree implementation in C with an intermediate cache memory manager

A C program which reads a trace of memory references and reports 3 statistics (accesses, hits and hit rate). The cache configuration is determined by parameters that are passed as command line arguments. The command-line parameters are cache size, cache mapping (DM/FA), and cache organization (Unified/Split).