What is Token in C Language?

What is Token in C

• Tokens are nothing but an element used to build any C program.

• It is categorized in different types like Keywords, Identifier, Strings, Constants, and Operator etc.

What is Keyword?

• Keywords are nothing but a words whose meaning is already defined to C compiler.

• There 32 Keywords in C.

• It is also called as Reserved Words.

What is Identifier?

· Identifier is nothing but the element of program which is being user defined elements.

· Variables and function name are nothing but an identifier because they are created by user they are not pre-defined.

· Meaning of identifier is not defined to compiler and that’s why they get differ from keywords.

What is String?

· String is nothing but array of Character which has end character ‘\0’ null.

· This Null character of string states that String has reached to its end.

· String always enclosed within double quotes (“”).

· Array is used to store string in C language.

· Example:- char name[4]=”Welcome To TechGeek-Mayur”.

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