Which of the following are restrictions on use of a stream variable (either ifstream or ofstream)
a) To use a stream variable as a function parameter you can use call-by-value or call-by-value.
b) To use a stream variable as a function parameter you can only use call-by-value.
c) To use a stream variable as a function parameter you can only use call-by-reference.
d) You cannot assign a stream variable.
e) A file variable can be used in any way any other variable can be use.
c) To use a stream variable as a function parameter you can only use call-by-reference. , and d) You cannot assign a stream variable.
a) and b) allow or require call-by-value. These are explictly prohibited. Part e) is just wrong.
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