From: http://blog.sina.com.cn/s/blog_498a6eeb0100v05m.html

1. 下載cscope-15.7
http://dldx.csdn.net/fd.php?i=878111800792509&s=924cf0d6a0f63bb6ca24f900

ba3fcad8
解壓所里面有三個文件， 放到vim的安裝目錄下即可。
2.建索引




-b

Build the cross-reference only.

-C

Ignore letter case when searching.

-k

``Kernel Mode'', turns off the use of the default include dir(usually /usr/include) when building the database, since kernelsource trees generally do not use it.

-R

Recurse subdirectories for source files.

-i namefile

Browse through all source files whose names are listed innamefile (file names separated by spaces, tabs, or new-lines)instead of the default (cscope.files). If this option is specified,cscope ignores any files appearing on the command line. Theargument namefile can be set to ``-'' to accept a list of filesfrom stdio. Filenames in the namefile that contain whitespace haveto be enclosed in "double quotes". Inside such quoted filenames,any double-quote and backslash characters have to be escaped bybackslashes.

具體參數可以見：
http://cscope.sourceforge.net/cscope_man_page.html

執行結束后你可以在當前目錄下發現cscope.out文件，這就是cscope建立的符號數據庫。上面這個命令中，-b參數使得cscope不啟動自帶的用戶界面，而僅僅建立符號數據庫
3. 在vim命令行下執行：



:cs help cscope commands: add : Add a new database (Usage: add file|dir [pre-path] [flags])find : Query for a pattern (Usage: find c|d|e|f|g|i|s|t name)c: Find functions calling this functiond: Find functions called by this functione: Find this egrep patternf: Find this fileg: Find this definitioni: Find files #including this files: Find this C symbolt: Find assignments tohelp : Show this message (Usage: help)kill : Kill a connection (Usage: kill #)reset: Reinit all connections (Usage: reset)show : Show connections (Usage: show)
s: 查找C語言符號，即查找函數名、宏、枚舉值等出現的地方
g: 查找函數、宏、枚舉等定義的位置，類似ctags所提供的功能
d: 查找本函數調用的函數
c: 查找調用本函數的函數
t: 查找指定的字符串
e: 查找egrep模式，相當于egrep功能，但查找速度快多了
f: 查找并打開文件，類似vim的find功能
i: 查找包含本文件的文

使用cscope查找do_fork函數的定義：
在vim命令行下執行： :cs f g do_fork每次輸入這樣挺麻煩， 下載一個插件cscope_quickfix.vim 。http://www.vim.org/scripts/download_script.php?src_id=2635在_vimrc中增加："cscope"If you want to use Popup menu for :Cscope command, put a line in .vimrc like:let Cscope_PopupMenu = 1這樣可以在右鍵中彈出菜單。這樣就可以不用記命令。

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