--- a/.emacs-my	Sun Jul 25 17:13:55 2010 +0300
+++ b/.emacs-my	Sun Jul 25 17:31:37 2010 +0300
@@ -1037,14 +1037,20 @@
     (c-echo-syntactic-information-p . t))
   "My C Programming Style")
 
-(add-hook 'c-mode-common-hook
-          (lambda () (c-add-style "my" my-c-style t)))
-(setq c-default-style
-      '(
-        (java-mode . "my") (c-mode . "my") (csharp-mode . "my") (c++-mode . "my") (objc-mode . "my")
-        (awk-mode . "awk")
-        (other . "my")
-        ))
+(add-hook
+ 'c-mode-common-hook
+ '(lambda ()
+    (c-add-style "my" my-c-style t)
+    ;; If set 'c-default-style' before 'c-add-style'
+    ;; "Undefined style: my" error occured from 'c-get-style-variables'.
+    (setq c-default-style
+          '(
+            (java-mode . "my") (c-mode . "my") (csharp-mode . "my") (c++-mode . "my") (objc-mode . "my")
+            (awk-mode . "awk")
+            (other . "my")
+            ))
+    ))
+
 
 ;; ----------------------------------------------------------------------
 ;; bat file, batch, loaded from 'generic-x.el'.