Describe cscope.
[pintos-anon] / src /
drwxr-xr-x   ..
-rw-r--r-- 4621 LICENSE
-rw-r--r-- 1278 Make.config
-rw-r--r-- 628 Makefile
-rw-r--r-- 3475 Makefile.build
-rw-r--r-- 333 Makefile.kernel
-rw-r--r-- 1457 Makefile.userprog
drwxr-xr-x - devices
drwxr-xr-x - examples
drwxr-xr-x - filesys
drwxr-xr-x - lib
drwxr-xr-x - misc
drwxr-xr-x - tests
drwxr-xr-x - threads
drwxr-xr-x - userprog
drwxr-xr-x - utils
drwxr-xr-x - vm