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I have a small course project that would best have a user-friendly front end.
It’s a network sniffer, I coded the program with C and Linux. And now I am hoping to make it more “user-friendly”.
In c: Getopt
In c++, if relevant: Boost program options
Try to behave like other programs (at the very least provide a useful
--helpmessage, and print some sort of simple usage description for invalid arguments). I find the easiest way to understand how to use a program is when its manual page, or even--helpmessage gives examples of common usage cases.