Keywords

It is also known as Reserved words.These reserved words (Keywords) may not be used as constants or variables or any other identifier names.The meaning and working of these keywords are already known to the compiler.

Types of Keywords (Reserved words)

There are 32 types of keywords in c language list is given below.

#include
main()
{
int sum, mul;  //Here int is a keyword and sum or mul is a variables
printf("Example of keyword.");
return 0;  //return is a keyword
}