C token keywords & identifiers
In the previous chapter we have learnt about basic concepts of C such as Comments, Difference between compiler and interpreter and different types of languages.
C Tokens Chart
- In C Programming punctuation,individual words,characters etc are called tokens.
- Tokens are basic building blocks of C Programming
Token Example :
| No | Token Type | Example 1 | Example 2 |
|---|---|---|---|
| 1 | Keyword | do | while |
| 2 | Constants | number | sum |
| 3 | Identifier | -76 | 89 |
| 4 | String | “HTF” | “PRIT” |
| 5 | Special Symbol | * | @ |
| 6 | Operators | ++ | / |
Basic Building Blocks and Definition :
| Token | Meaning |
|---|---|
| Keyword | A variable is a meaningful name of data storage location in computer memory. When using a variable you refer to memory address of computer |
| Constant | Constants are expressions with a fixed value |
| Identifier | The term identifier is usually used for variable names |
| String | Sequence of characters |
| Special Symbol | Symbols other than the Alphabets and Digits and white-spaces |
| Operators | A symbol that represent a specific mathematical or non mathematical action |
Conclusion
We have learnt different type of tokens in C. In the upcoming chapters we will learn C tokens, keywords and identifiers in more details.