C Programming:  Write a program that optionally accepts an address and a port from the command line. If there is no address and port on the command line, it should create a TCP socket and print the address (i.e. server mode). You can choose any port number for your server (>1024). If there is an address and port, it should connect to it (i.e., client mode). Once the connections are set up, each side should enter

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C Programming

  1. Write a program that optionally accepts an address and a port from the command line.
  2. If there is no address and port on the command line, it should create a TCP socket and print the address (i.e. server mode). You can choose any port number for your server (>1024).
  3. If there is an address and port, it should connect to it (i.e., client mode).
  4. Once the connections are set up, each side should enter a loop of receive, print what it received, then send a message. The ping from the client should be sent before entering that loop to start the process. Otherwise both sides will sit and listen without getting anything.
  5. The message should be ping from the client and a pong from the server.
  6. In order to test this on one machine, you will need to run the same program twice (in two separate terminals).
  7. Run first in server mode, then run in client mode using the information printed from the server as your command line arguments.

This is the output it must print out:

Running server mode first ./client_server, it should print

TCP Server Socket Created with address 127.0.0.1 at port 3333 ping ping
 
 
Make sure there is no error in the code. Print out the full code with comments and the output as well. 
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