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C Programming Language

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C Tokens

Every C program is a collection of instructions and every instruction is a collection of some individual units. Every smallest individual unit of a c program is called token. Every instruction in a c program is a collection of tokens. Tokens are used to construct c programs and they are said to the basic building blocks of a c program.

In a c program tokens may contain the following...

  1. Keywords
  2. Identifiers
  3. Operators
  4. Special Symbols
  5. Constants
  6. Strings
  7. Data values

In a C program, collection of all the keywords, identifiers, operators, special symbols, constants, strings and data values are called as tokens.

Consider the following C program...

C program to print all the characters of C character Set

#include<stdio.h>
#include<conio.h>
int main() {
	int i;
        clrscr();
	printf("ASCII  ==>  Character\n");
	for(i = -128; i <= 127; i++)
	   printf("%d    ==>     %c\n", i, i);
        getch();
	return 0;
}

In the above program there are 22 tokens.


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