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  Interrupt:   21h     Function:   44h     Subfunction:   0Bh
 
  Title:       IOCTL: Change Sharing Retry Count [Version 3.1+]
 
  Description:
 
     Sets the number of times MS-DOS retries a disk operation after a
     failure caused by a file-sharing violation before it returns an
     error to the requesting process. This subfunction is not available
     unless the file-sharing module (SHARE.EXE) is loaded.
 
     Input                       Output
 
     AH = 44h                    If function successful
     AL = 0Bh                      Carry flag: clear
     CX = Delays per retry
          (default = 1)          If function unsuccessful
     DX = Number of retries        Carry flag: set
          (default = 3)            AX = Error code (01h)
                                   See: ◄Error codes►
                                    -♦-