A void function

a. performs some action and returns a value
b. performs some action but does not return a value
c. is a statement
d. call is written much like a call to a value returning function but is terminated with a semicolon.
e. A void function may have a return statement but is not required to have one.

b) c) d) e)
Explanation: a) is wrong because a void function does not return a value.