Question

What is the scope of typedef defined data types?

(a) inside that block only

(b) whole program

(c) outside the program

(d) main function

I had been asked this question during an interview for a job.

I'm obligated to ask this question of User Defined Types topic in division Source Files, Classes and Operator Overloading in C++ of C++

Answer 1

Right choice is (b) whole program

The explanation is: We are defining the user-defined data type to be availed only inside that program, if we want to use anywhere means we have to define those types in the header file.