class-name:
identifier
enum-name:
identifier
typedef-name:
identifier
identifier: one of
nondigit
identifier nondigit
identifier digit
nondigit: one of
_ a b c d e f g h i j k l m
n o p q r s t u v w x y z
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z
digit: one of
0 1 2 3 4 5 6 7 8 9