IDENTIFIER?
The Identifier are the names used to represent variable, constants, types, functions and labels in the program. An identifier in C may consist of 31 characters. If the identifier long than 31 characters, the remain character will be ignored by the C compiler.
RULES FOR IDENTIFIER
Some-important rules for identifier name are as follows.
- The first character must be an alphabet or underscore (_).
- The identifier name must consist of only alphabetic characters, digits, or underscores.
- The reserved word cannot be used as identifier name.
TYPES OF IDENTIFIERS
There are two types of identifiers in C language.
i) Standard Identifiers
ii) User-defined Identifiers
