TCO 6 What is the difference between a friend function and a

(TCO 6) What is the difference between a friend function and a member function of the class? (Points : 4)     

a) A friend function is a non-member function of the class while a member function is a member of the class.
b)      All member functions of a class are also friend functions.
c)     The prototype for a friend function is not included in the class definition.
   d)    The definition of a friend function must be preceded by the class name and the scope resolution operator.

Solution

option a