1.Allows searching code for:
all references to a symbol global definitions functions called by a function functions calling a function text string regular expression pattern a file files including a file
2.Curses based (text screen)
3.An information database is generated for faster searches and later reference
4.The fuzzy parser supports C, but is flexible enough to be useful for C++ and Java, and for use as a 5.generalized ‘grep database’ (use it to browse large text documents!)
6.Has a command line mode for inclusion in scripts or as a backend to a GUI/frontend
7.Runs on all flavors of Unix, plus most monopoly-controlled operating systems.
也有中文的教學：Using Cscope with Vim — translated to Chinese (external link)