Keywords

C has 32 keywords (reserved words with special meaning). Keywords are predefined words with special meanings to the compiler, and they are part of the syntax and cannot be used as identifiers in the program. The keywords in C are:

1. auto

2. break

3. case

4. char

5. const

6. continue

7. default

8. do

9. double

10. else

11. enum

12. extern

13. float

14. for

15. goto

16. if

17. int

18. long

19. register

20. return

21. short

22. signed

23. sizeof

24. static

25. struct

26. switch

27. typedef

28. union

29. unsigned

30. void

31. volatile

32. while