README.txt

In this directory you find the files
	account.h	- It defines a record: account id and balance. It also 
			  declares a couple of functions for mapping arrays of
			  account records to a file.
	account.c	- The implementation of the functions declared in account.h
	create.c	- The main program we use to see the effect of the
			  various functions. Each time this program is run the balances
			  of the accounts are incremented by one.
	makefile	- Used by make to generate the executable image 'create'
	account.dat	- A text file that contains in text form a number of 
			  account records, preceded by the number of such records.
After executing the 'create' image you will also find the files
	account.bin	- It is a binary file used to memory map an array of account
			  records.
	account1.dat	- The content of account.bin in text format.