In C all functions except main() can be called recursively.
Answer: Option B
Explanation:
Functions can be called either by value or reference
Answer: Option A
True, A function can be called either call by value or call by reference.
Example:
Call by value means c = sub(a, b); here value of a and b are passed.
Call by reference means c = sub(&a, &b); here address of a and b are passed.
