+ (let* ((extend-region-p
+ (and (eq this-command 'c-mark-function)
+ (eq last-command 'c-mark-function)))
+ (push-mark-p (and (eq this-command 'c-mark-function)
+ (not extend-region-p)
+ (not (and transient-mark-mode mark-active)))))
+ (if push-mark-p (push-mark (point)))
+ (if extend-region-p
+ (progn
+ (exchange-point-and-mark)
+ (setq decl-limits (c-declaration-limits t))
+ (when (not decl-limits)
+ (exchange-point-and-mark)
+ (error "Cannot find any declaration"))
+ (goto-char (cdr decl-limits))
+ (exchange-point-and-mark))
+ (goto-char (car decl-limits))
+ (push-mark (cdr decl-limits) nil t))))))