c-guess-regionc-guess-region is an interactive autoloaded compiled Lisp function in `
cc-guess.el'. (c-guess-region START END &optional ACCUMULATE) Guess the style on the region and install it. The style is given a name based on the file's absolute file name. If given a prefix argument (or if the optional argument ACCUMULATE is non-nil) then the previous guess is extended, otherwise a new guess is made from scratch.