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AX = 4403h BX = file handle referencing device "$IPCUST" CX, DS:DX ignored
Return:
CF clear if successful AX destroyed CF set on error AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
Notes: There are a total of 378h bytes of configuration data for IPCUST.SYS version 2.05. If less than the entire data is read or written, the next read/write continues where the previous one ended; this call and AX=4402h both reset the location at which the next operation starts to zero. V2.1+ uses a new configuration method, but allows the installation of IPCUST.SYS for backward compatibility with other software which must read the PC/TCP configuration
See Also: AH=3Fh"IPCUST" - AH=40h"IPCUST" - AX=4402h"IPCUST"
Category: Network - Int 21h - P
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