A macro is defined with two formal parameters, but it is called with only one actual argument — the second is omitted. What does the macro processor do during expansion?

Question

A macro is defined with two formal parameters, but it is called with only  one actual argument  — the second is omitted. What does the macro processor do during expansion?

Answer

The processor substitutes a default value of zero

Answer

An expansion error is raised

Answer

The macro expands partially using only the first argument

Answer

The macro call is silently ignored

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A macro is defined with two formal parameters, but it is called with only one a...

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