(defun set-if-void (symbol value)
  (or (boundp symbol)
      (set symbol value)))


(require 'c-mode)

(setq c-style-alist (nconc c-style-alist 
   '(("AJB"                                             ;An AJB special
     (c-auto-newline               . t)
     (c-tab-always-indent          . nil)
     (c-argdecl-indent             . 0)
     (c-brace-imaginary-offset     . 0)
     (c-brace-offset               . 0)
     (c-continued-brace-offset     . -4)
     (c-continued-statement-offset . 4)
     (c-indent-level               . 4)
     (c-label-offset               . -4)))))

(defvar default-c-style "AJB")
(setq c-mode-hook
      (function
       (lambda ()
;        (load-library "c-style")
         (set-c-style default-c-style)  ; Pick up default-c-style
         (setq comment-column 40)       ; Set comment column
         (abbrev-mode 0)                ; Turn off abbrev mode
         (local-set-key "\M-{." 'ajb-c-braces))))

(defun ajb-c-braces ()
  "Insert a pair of braces with the current indentation,\
 and position the cursor between them."
  (interactive)
  (insert "{")
  (c-indent-line)
  (newline)
  ;; (newline) may have done auto-fill
  (c-indent-line)
  (setq insertpos (point))
  (newline)
  (insert "}")
  (c-indent-line)
  (goto-char insertpos))