Provide a function to compute the column of a file position
treec129bd6131c929e10e816631f1f5760bba68edd2
-rw-r--r-- 565 .gitignore
-rw-r--r-- 18264 COPYING
-rw-r--r-- 283 README
-rw-r--r-- 1397 TODO
drwxr-xr-x - doc
drwxr-xr-x - src