keyword in c: Keyword is predefined means it is a reserved word which has special meanings and it cannot use as a variable.
Use of Keyword in C
There are 32 keywords available in C programming language. Each keyword is used for the different-different purpose.
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 |
these all keywords are also called as reserved names. keyword or reserved word makes a language more powerful.
you can learn more details about reserved words available in computer programming and also you can learn about more keywords besides these 32 keywords.