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<TITLE>Int 21/AX=4402h
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Int 21/AX=4402h - PC/TCP IPCUST.SYS - RESET CONFIGURATION DATA READ POINTER -
AX = 4402h
BX = file handle referencing device $IPCUST
CX, DS:DX ignored
Return: CF clear if successful
AX destroyed
CF set on error
AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
Notes: there are a total of 378h bytes of configuration data for IPCUST.SYS
version 2.05. If less than the entire data is read or written,
the next read/write continues where the previous one ended; this
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<h2>Int 21/AX=4402h
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<h3><font color=#C00040>PC/TCP IPCUST.SYS - RESET CONFIGURATION DATA READ POINTER</font></h3>
<PRE>
AX = 4402h
BX = file handle referencing device "$IPCUST"
CX, DS:DX ignored<br>
<p><b>Return:</b><br>CF clear if successful
AX destroyed
CF set on error
AX = error code (01h,05h,06h,0Dh) <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at AH=59h/BX=0000h)
</PRE>
<p><b>Notes:</b>
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=4403h 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
<p><b>See Also:</b>
<a href="rb-2785.htm" tppabs="http://www.ctyme.com/intr/rb-2785.htm">AH=3Fh"IPCUST"</a> - <a href="rb-2785.htm" tppabs="http://www.ctyme.com/intr/rb-2785.htm">AH=40h"IPCUST"</a> - <a href="rb-2785.htm" tppabs="http://www.ctyme.com/intr/rb-2785.htm">AX=4403h"IPCUST"</a>
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Network</a>
- <a href="int-21.htm" tppabs="http://www.ctyme.com/intr/int-21.htm">
Int 21h</a>
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