Port Scan in C Part 5

In the previous parts of this series writing a simple program to see if a port is available was covered, in this the final text the last three points from the previous text are discussed: migrate the pre-check into its own module entirely, add in more descriptive error handling locally and for the connection errors and lastly any last thoughts about the program itself and where it could go. it is worth noting that this example is very primitive but can easily be expanded upon.

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