Which one is not a reserved keyword in C language?

Question

A) auto

B) case

C) main

D) default

E) register

Answer 1

The correct answer to the question “Which one is not a reserved keyword in C language” is option ©. Main. Like all the other options auto, case, default, and register all are reserved keywords in C Language, except main. Wish to master C Language? Check out the C Programming tutorial and Enroll in C programming course from Intellipaat. If you are starting out in C, watch the following video on C Language for Beginners.

Answer 2

The option that is not the reserved keyword in the C language is:

C) main

Explanation:

- auto, case, default, and register are the reserved keywords in C.

- main is not a keyword it is merely the name of a function that happens to be an exceptionally special entry point to a C program. You can call any function in C whatever you wish including main and although the name itself isn't defined as reserved the main function is.