1) Reference:

2) cscope help:

:help cscope

:help cscope-suggestions

:cs help

3) Generate index files:

find fullpath/of/your/project –type f > cscope.files

cscope -bq

4) cscope command:

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 function       

d: Find functions called by this function       

e: Find this egrep pattern       

f: Find this file       

g: Find this definition       

i: Find files #including this file       

s: Find this C symbol       

t: Find assignments to

5) Add cscope setting in .vimrc:

if has("cscope")     　　set csprg=/usr/local/bin/cscope     　　set csto=0     　　set cst     　　set nocsverb     　　" add any database in current directory     　　if filereadable("cscope.out")         　　　　cs add cscope.out     　　" else add database pointed to by environment     　　elseif $CSCOPE_DB != ""         　　　　cs add $CSCOPE_DB     endif     set csverb endifnmap 
     
      s :cs find s 
      
       =expand("
       
        ")
        
         
           nmap 
          
           g :cs find g 
           
            =expand("
            
             ")
             
              
                nmap 
               
                c :cs find c 
                
                 =expand("
                 
                  ")
                  
                   
                     nmap 
                    
                     t :cs find t 
                     
                      =expand("
                      
                       ")
                       
                        
                          nmap 
                         
                          e :cs find e 
                          
                           =expand("
                           
                            ")
                            
                             
                               nmap 
                              
                               f :cs find f 
                               
                                =expand("
                                
                                 ")
                                 
                                  
                                    nmap 
                                   
                                    i :cs find i ^
                                    
                                     =expand("
                                     
                                      ")
                                      
                                       $
                                       
                                         nmap 
                                        
                                         d :cs find d 
                                         
                                          =expand("
                                          
                                           ")
                                           
                                            
                                             " Using 'CTRL-spacebar' then a search type makes the vim window " split horizontally, with search result displayed in " the new window.nmap 
                                             
                                              s :scs find s 
                                              
                                               =expand("
                                               
                                                ")
                                                
                                                 
                                                   nmap 
                                                  
                                                   g :scs find g 
                                                   
                                                    =expand("
                                                    
                                                     ")
                                                     
                                                      
                                                        nmap 
                                                       
                                                        c :scs find c 
                                                        
                                                         =expand("
                                                         
                                                          ")
                                                          
                                                           
                                                             nmap 
                                                            
                                                             t :scs find t 
                                                             
                                                              =expand("
                                                              
                                                               ")
                                                               
                                                                
                                                                  nmap 
                                                                 
                                                                  e :scs find e 
                                                                  
                                                                   =expand("
                                                                   
                                                                    ")
                                                                    
                                                                     
                                                                       nmap 
                                                                      
                                                                       f :scs find f 
                                                                       
                                                                        =expand("
                                                                        
                                                                         ")
                                                                         
                                                                          
                                                                            nmap 
                                                                           
                                                                            i :scs find i ^
                                                                            
                                                                             =expand("
                                                                             
                                                                              ")
                                                                              
                                                                               $
                                                                               
                                                                                 nmap 
                                                                                
                                                                                 d :scs find d 
                                                                                 
                                                                                  =expand("
                                                                                  
                                                                                   ")
                                                                                   
                                                                                    
                                                                                     " Hitting CTRL-space *twice* before the search type does a vertical " split instead of a horizontal onenmap 
                                                                                     
                                                                                      
                                                                                       s \:vert scs find s 
                                                                                       
                                                                                        =expand("
                                                                                        
                                                                                         ")
                                                                                         
                                                                                          
                                                                                            nmap 
                                                                                           
                                                                                            
                                                                                             g \:vert scs find g 
                                                                                             
                                                                                              =expand("
                                                                                              
                                                                                               ")
                                                                                               
                                                                                                
                                                                                                  nmap 
                                                                                                 
                                                                                                  
                                                                                                   c \:vert scs find c 
                                                                                                   
                                                                                                    =expand("
                                                                                                    
                                                                                                     ")
                                                                                                     
                                                                                                      
                                                                                                        nmap 
                                                                                                       
                                                                                                        
                                                                                                         t \:vert scs find t 
                                                                                                         
                                                                                                          =expand("
                                                                                                          
                                                                                                           ")
                                                                                                           
                                                                                                            
                                                                                                              nmap 
                                                                                                             
                                                                                                              
                                                                                                               e \:vert scs find e 
                                                                                                               
                                                                                                                =expand("
                                                                                                                
                                                                                                                 ")
                                                                                                                 
                                                                                                                  
                                                                                                                    nmap 
                                                                                                                   
                                                                                                                    
                                                                                                                     i \:vert scs find i ^
                                                                                                                     
                                                                                                                      =expand("
                                                                                                                      
                                                                                                                       ")
                                                                                                                       
                                                                                                                        $
                                                                                                                        
                                                                                                                          nmap 
                                                                                                                         
                                                                                                                          
                                                                                                                           d \:vert scs find d 
                                                                                                                           
                                                                                                                            =expand("
                                                                                                                            
                                                                                                                             ")