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Simple socket - programming samples

This is the most simple and preemptive socket program >_<

the socket program works in following manner

   client server model -- 

    server               client
      |                     |
    socket()             socket()
      |                     |
    bind()                  |
      |                     |    
    listen()                |    
      |                     |  
    accept()  <------    connection()
      |                     |
    read()    <------     write()
      |                     |
    write()   ------>      read()
      |                     |
    close()   <----->     close()

For talking to yourself or maybe someone else--

1. open two terminals (on one machine or on different)
2. make one terminal client and other server
3. use following commands

--for client

gcc client.c -o client 
./client 127.0.0.1 <_port no_> //use ip address instead of 127.0.0.1 for two machines

--for server
gcc server.c -o server
./server <_port no_>

//use port number greater than 1024

4. Enjoy!!