(defun txc-c-mode-hook ()
  (setq indent-tabs-mode t)
  (setq c-basic-offset 8)
  (setq tab-width 8)
  (setq c-set-style "K&R")
  )

(add-hook 'c-mode-hook 'txc-c-mode-hook)
(add-hook 'cc-mode-hook 'txc-c-mode-hook)