MCQ question in 'c'

Question

Which of the following is true about return type of functions in C ?
a) functions can return any type
b) functions can return any type except array and functions
c) functions can return any type except array functions and union
d) functions can return any type except array, functions, function pointer and union

Answer 1

I think the answer is b
here is an example of functions that make the rest choices wrong

returning union
union t{};
union t f(){ union x; return x;}
//it works so you can do it
function that return a function pointer

https://code.sololearn.com/cI51x9v9CPUn/?ref=app

Now a and c and d is wrong so b is the correct answer

Answer 2

Ans is b)it cannot return array