RPC: Homework 4
Andrew Mauragis

All parts of this program operate within specified parameters, tested to the
point which is described in the TESTS file.

The program follows specifications with the one deviation of swapping the
position of the "count" and the value of the buffer in the read function.

The program should be interoperable with all servers and clients on the same
architecture provided they also made the aforementioned swap.
 
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Program Description:
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Remote Procedure Calls:

This project is a mini Remote Procedure Call (RPC) based system consisting of
a server and a client.  Using the remote procedures supplied by the server our
client program will be able to open files and directories, and perform
computations on the server.


The Server:

The server opens a socket and listens on an available port.  Upon starting,
the server will print the port number it is using on standard output.  The
server and client will communicate through a TCP socket.  The server will
support remote calling of the following functions:
	- open
	- close
	- read
	- write
	- seek

Remote calls will be handled as uppercase versions of the functions (ie
Seek, Close, etc)


The Client:

The client program provides an environent into which we can plug an application
and execute it using remote versions of the supportedd calls.  the client
program therefore should expect a <hostnae> <portnumber> pair as its arguments
and attempt to connect to the server.  Once it connects, it should call the
user program which has a function called entry analogous to the main function
in an ordinary C program.  The entry routine should have argv and argc and
returns integer values.  The client program should strip off the first two 
arguments, create a new argv array, and call the procedure.  Finally, when
entry exits, the return value should be returned from the main procedure of the
client.

When the user links her programs(s) with your client, the combined program
should compile into a workable binary.  Test your client with two user
programs, one which remotedly opens an output file, locally opens an input file
and copy the input file to the output file and close both files.  The second
program should open a local file as output and a remote file as input.  It
should seek the remote file to position 10 and copy the rest to the local file.

Note: multiple clients can be in execution at any point in time.

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