Discussion
What does argc and argv indicate in command-line arguments?
Answer: B
Correct answer: argument count, argument vector
argc is the argument count - the number of arguments including the program name - and argv is the argument vector, "vector" being the older word for a one-dimensional array.
The array holds one char * per argument, with argv[0] naming the program and argv[argc] guaranteed to be a null pointer. The names are conventional rather than mandated; what the compiler requires is the types, an int followed by a char **.
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