Commands
M-x
	tabify
		tabify
	untabify
		untabify
	c-set-style
		set c indentation style


C-M-\
	indent the region

C-x h C-M-\
	reindent the entire file

C-c C-s
	Show syntactic information for current line. (c-show-syntactic-information)
C-x =
	Print info on cursor position. (what-cursor-position)