The smallest individual units that are used to write C programs is called C tokens. The Tokens in C language are of six types. They are:
- Keywords
- Identifiers
- Constants
- Strings
- Special Symbols
- Operators
C Tokens
Each of the C tokens is described below.
Keywords
The tokens in C with fixed meaning are called C keywords. The keywords are reserved by the C.
Examples: void, int
Identifiers
Identifiers in C are used to name the variables, functions, and arrays.
Examples: _mark, student
Constants
The Constants in C Program refers to fixed values that do not change during the execution of the program.
Examples: 10.5, -20
Strings
Strings in C are arrays of characters.
Examples: “CSADEEB”, “C program”
Special Symbols
The Special Symbols used in writing C programs are in this category.
Examples: [ , ] , { , }
Operators
The C Operators are the symbols used in the C programming which tells the compiler which operations to be performed on the operands.
Examples: + – * /