--- christos, 9/18/2009

----------- COMPATIBILITY: ------------
works fine on 
    Ubuntu 9.04 :   gcc (Ubuntu 4.3.3-5ubuntu4) 4.3.3
    Fedora Core :   gcc (GCC) 4.1.2 20070502 (Red Hat 4.1.2-12)
    Mepis 6.0:      gcc (GCC) 4.0.3 (Ubuntu 4.0.3-1ubuntu5)
    Cygwin (winXP): gcc (GCC) 3.4.4 
    Mac OSX 10.4 (Tiger) i686-apple-darwin8-gcc-4.0.1 (GCC) 4.0.1 


------------ "How to" ------------------------

* Do "make" to compile the code.
* Do "make demo" to load the input files in Datafiles directory, and search for 'american' key.
* SRC has the source files. The 'deleteKey.c' is disabled - ignore it
* "make clean" destroys any old values in the BTREE, and any future
   insertions occur on an empty tree.
* "make spotless" deletes all object and binary files.
* You can verify your outputs with the ones in Tests directory with ".sol" extension.

Using the program:
 Run ./main: the options should be quite clear.

 Use "C" if you want to print a complete listing of the values in the BTREE.
 Use "i" if you wish to insert a set of strings from a file into the BTREE.
 Use "p" to print the values in a particular page of the BTREE.
 Use "s" to search for a key.
 Use "S" to search for a key and also print the documents containing the key.
 Use "T" to print the BTREE in an inorder format.
 Use "d" to delete a key (disabled - ignore it)
 Use "x" to exit


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