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  Interrupt:   21h     Function:   5Fh     Subfunction:   03h
 
  Title:       Redirect Device [Version 3.1+]
 
  Description:
 
     Establishes redirection across the network by associating a local
     device name with a network name. This function call is available
     only when Microsoft Networks is running and the file-sharing
     module (SHARE.EXE) has been loaded.
 
     Input                                 Output
 
     AH = 5Fh                              If function successful
     AL = 03h                                Carry flag: clear
     BL = Device type
        = 03h (if printer)                 If function unsuccessful
        = 04h (if drive)                     Carry flag: set
     CX = Parameter to save for caller       AX = Error code (01h, 03h,
     DS:SI = segment:offset of ASCIIZ             05h, 08h, 0Fh, or 12h)
             local device name               See: ◄Error codes►
     ES:DI = segment:offset of ASCIIZ
             network name, followed by
             ASCIIZ password
                                    -♦-