Description:
- “Identifiers” or “symbols” are the names you supply for variables, types, functions, and labels in your program.
- Identifier names must differ in spelling and case from any keywords.
- You can’t use keywords (either C or Microsoft) as identifiers; they’re reserved for special use.
- You create an identifier by specifying it in the declaration of a variable, type, or function.
Syntax:
identifier:
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