From: nvangogh@invalid.net   
      
   I am reading C++ Primer 5th edition and am having problems with exercise   
   8.1:   
      
   "Write a function that takes and returns an istream&. The function   
   should read the stream until it hits end-of-file. The function should   
   print what it reads to the standard output. Reset the stream so that it   
   is valid before returning the stream."   
      
   So just to break this down, the function should:   
      
   1. read the stream until it hits EOF.   
   This mean that I am inputting data until I signal the end of input by   
   control-d.   
      
   2. The function prints what it reads to the standard output.   
   This is simply std::cout << whatever is input?   
      
   3. How can the function reset the stream before returning the input?   
      
   IO in C++ is very complicated that is why I am asking for help   
   What is the solution to this?   
      
      
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