There is a close analogy between learning the English language and learning the C language. We start learning English by learning about alphabets, further create words and sentences by combining the words, Similarly, in C we learn about tokens which are the smallest individual unit in a program, they can either be a keyword or a string literal or, any identifier.
C Keywords
- Keywords are the words whose meaning has been explained already to the C compiler.
- The keywords cannot be used as variable names moreover if we do so, we are trying to assign a new meaning to the keyword.
- Keywords are also known as “reserved words”.
- There are only 32 keywords available in C.
| auto | break | case | char |
| const | continue | default | do |
| double | else | enum | extern |
| float | for | goto | if |
| int | long | register | return |
| short | signed | sizeof | static |
| struct | switch | typedef | union |
| unsigned | void | volatile | while |
Example: In the below-given code int and return are the keywords.
int main()
{
int a=5;
printf("Value of a is : %d",a);
return 0;
} Note: Also read about C Programming Language & C Program – Structure. We shall see about identifiers in the next post.
Next: Identifiers in C
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Staying up to the mark is what defines me. Hi all! I’m Rabecca Fatima a keen learner, great enthusiast, ready to take new challenges as stepping stones towards flying colors.
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