cscope

cscope - interactively examine a C program

i.e) cscope -R
i.e) cscope -b -q -k -R
i.e) cscope -d

-sdir  Look in dir for additional source files. This option is ignored if source files are given on the command line.

-R     Recurse subdirectories during search for source files.

-b     Build the cross-reference only.

-q     Enable fast symbol lookup via an inverted index. This option causes cscope to  create  2  more  files (default  names  ``cscope.in.out''  and  ``cscope.po.out'')  in addition to the normal database. This allows a faster symbol search algorithm that provides noticeably faster lookup performance for  large projects.

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

-d     Do not update the cross-reference.

<vim plugin>
$ cd ~/.vim/plugin
$ wget http://cscope.sourceforge.net/cscope_maps.vim

    " The following maps all invoke one of the following cscope search types:

    "

    "   's'   symbol: find all references to the token under cursor

    "   'g'   global: find global definition(s) of the token under cursor

    "   'c'   calls:  find all calls to the function name under cursor

    "   't'   text:   find all instances of the text under cursor

    "   'e'   egrep:  egrep search for the word under cursor

    "   'f'   file:   open the filename under cursor

    "   'i'   includes: find files that include the filename under cursor

    "   'd'   called: find functions that function under cursor calls

아래와 같이 Ctrl + \ 에 위 단축 알파벳을 입력하면 된다.
nmap <C-\>s :cs find s <C-R>=expand("<cword>")<CR><CR>

그밖에 Ctrl + space 로 찾은 결과를 새 Window에서 볼 수 있으며,
nmap <C-@>s :scs find s <C-R>=expand("<cword>")<CR><CR>

Ctrl + space + space 로 Vertical Split도 가능하다.
nmap <C-@><C-@>s :vert scs find s <C-R>=expand("<cword>")<CR><CR>