Keywords in C

A keyword is a reserved word. you cannot use it as an identifier (variable name, constant name, function name, etc.). There are only 32 keywords that are reserved in the programming language C.

Here is the list of 32 keywords of the C language:

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