Question

What is the signature of math in function using command line arguments?

(a) int main(int argc, char const *argv[]);

(b) int main(int argc, char const **argv);

(c) int main(int argc, char **argv);

(d) all of the mentioned

This question was posed to me in examination.

This interesting question is from Command Line Arguments in portion C++ Advanced of C++

Answer 1

Right answer is (d) all of the mentioned

Easy explanation - Any of the above signature can be used while using command line arguments in C++ programs.