APIS source code structure/layout.
Based on prerelease 0.00.0017

This structure may be subject to change.

auto.h       Header file for includes specific to auto.c and some global variables.
auto.c       Main source code file (handles initialization and main window actions)

customers.h  Header file for includes specific to customers.c and also function
             prototypes
customers.c  Source code file for managing and dealing with all data dealing with
             customers. Customer lookup code, etc.
             
items.h      Header file for includes specific to items.c and also function prototypes
items.c      Source code file for managing and dealing with all data dealing with
             items. Item lookup code, etc.

sales.h      Header file for includes specific to sales.c and also function prototypes
sales.c      Source code file for managing and dealing with all data dealing with
             sales. Sales transaction lookup code, etc.
             
vendors.h    Header file for includes specific to vendors.c and also function prototypes             
vendors.c    Source code file for managing and dealing with all data dealing with
             vendors. Vendor lookup code, etc.
             
obbc.h       Header file for includes specific to odbc.c and also function prototypes.
odbc.c       Source code file for managing the ODBC library and building connections.

resfile.rc   Microsoft resource file that handles all bitmaps, icons, string tables,
             dialogs, etc.