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Identifiers

An identifier is a name that is used to introduce a user defined constant, variable or function.

Identifiers consist of a sequence of letters (a b c..., A B C...), digits (1 2 3...) and underscores (_). The first character of an identifier must be a letter or an underscore.

Identifiers are case-sensitive, which means that

int Number, number;

would define two different integer variables.

The maximum length of an identifier is 100 characters, and all of these are significant.

Index