Identifiers in C-Language

 Definition:

The Identifiers is only used to identify an entity uniquely in a program at a time of execution.

An Identifiers is nothing but a name assigned to an element in a program.

For Example:

             Name of Variable, function, etc.

Identifiers in C language are the user-defined names consisting of 'C' standard character set.

Each Identifiers must have a unique name.

Rules for making an Identifiers:

Following Rules must be followed for Identifiers:-

• The first character must always be an alphabet or an underscore ( _ ).
• It should be formed using only letters, numbers, or underscore.
• A keyword cannot be used as an Identifier.
• It should not contain any whitespace character.
• The name must be meaningful.