if has("cscope")
        " Look for a 'cscope.out' file starting from the current directory,
        " going up to the root directory.

        if (filereadable("cscope.out"))
                execute "cs add cscope.out"
        else
                let s:dirs = split(getcwd(), "/")
                while s:dirs != []
                        let s:path = "/" . join(s:dirs, "/")
                        if (filereadable(s:path . "/cscope.out"))
                                execute "cs add " . s:path . "/cscope.out " . s:path
                                break
                        endif
                        let s:dirs = s:dirs[:-2]
                endwhile
        endif

        set csto=0
        set cst
        set csverb

        nmap <C-\>s :cs find s <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>g :cs find g <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>c :cs find c <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>t :cs find t <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>e :cs find e <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>f :cs find f <C-R>=expand("<cfile>")<CR><CR>
        nmap <C-\>i :cs find i ^<C-R>=expand("<cfile>")<CR>$<CR>
        nmap <C-\>d :cs find d <C-R>=expand("<cword>")<CR><CR>

        map <F10> :copen<CR>
        map <F11> :cprevious<CR>
        map <F12> :cnext<CR>

        " Open a quicfix window for the following queries.
        set cscopequickfix=s-,c-,d-,i-,t-,e-,g-
endif