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RLIB Functions Used in Message Reader

   Here is a list of some of the RLIB functions used in the Message
   Reader program source code.  As you can see they provide a wide
   variety of uses.  In particular pay close attention to PICKREC(),
   which essentially drives the view screen.

   ANYCHARSIN()    Verifies valid characters in filenames
   BORDERBOX()     Draws all boxes with titled headers
   BOXASK()        Creates all screen centered message dialogue boxes
   BOXMENU()       Provides the second level from the PDOWNMENU()
   CALENDAR()      Shift-F1 pops up a handy calendar
   CHECKFILE()     Verifies filenames and provides pop-up directory
   CLOSEAREA()     Used to close database files
   DEC2HEX()       Used to generate unique MAIL message numbers
   DBFCREATE()     Creates Message Reader database files
   FPROMPT()       Provides the highlighted prompts at bottom of screen
   FREADLINE()     Used to read text lines during the import process
   FILESIZE()      Used to determine if enough disk space exists for copy
   GETFILE()       Used to get filenames whenever requested
   MEMORIZE()      Used during field edit routines
   MREPLACE()      Used to replace edited field data
   NO_APPEND()     Appends new records, testing for network errors
   NO_FLOCK()      Used for network file locking
   NO_RLOCK()      Used for network record locking
   NOTEMPTY()      Used in field edit VALID clause to confirm data entry
   OPENED()        Used whenever databases are opened
   PARENT()        Parses path to help generate help file path
   PDOWNMENU()     Provides the pull-down menu system
   PICKCOLOR()     Performs the color selection routine
   PICKFILE()      Provides the pop-up file directory listing
   PICKREC()       *** The view screen is controlled by PICKREC() ***
   QUERY()         This IS the query builder!
   SAYINBOX()      Provides status indicators during indexing, etc...
   SETCURSOR()     Cursor control is through this function
   TARGET()        Provides the print target output menu