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Int 61/AH=1Fh - PC/TCP kernel v2.05+ - net_asynch - SET UP ASYNCHRONOUS CALL-BACK -
AH = 1Fh
BX = network descriptor
CX = event type (see #03466)
DS:SI - event handler routine (see #03467)
ES:DI = 32-bit hint passed to handler
Return: CF clear if successful
DS:DX - previous handler
CF set on error
AX = error code (see #03319 at INT 61FTP Software)
Note: ICMP messages do not trigger events on stream connections
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<h2>Int 61/AH=1Fh
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<h3><font color=#C00040>PC/TCP kernel v2.05+ - net_asynch - SET UP ASYNCHRONOUS CALL-BACK</font></h3>
<PRE>
AH = 1Fh
BX = network descriptor
CX = event type <a href="rb-6855.htm#Table3466" tppabs="http://www.ctyme.com/intr/rb-6855.htm#Table3466">(see #03466)</a>
DS:SI -> event handler routine <a href="rb-6855.htm#Table3467" tppabs="http://www.ctyme.com/intr/rb-6855.htm#Table3467">(see #03467)</a>
ES:DI = 32-bit hint passed to handler<br>
<p><b>Return:</b><br>CF clear if successful
DS:DX -> previous handler
CF set on error
AX = error code <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 #03319 at INT 61"FTP Software")
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<p><b>Note:</b>
ICMP messages do not trigger events on stream connections
<p><b>See Also:</b>
<a href="rb-6703.htm" tppabs="http://www.ctyme.com/intr/rb-6703.htm">INT 61"FTP Software"</a> - <a href="rb-6704.htm" tppabs="http://www.ctyme.com/intr/rb-6704.htm">INT 61/AH=00h"PC/TCP"</a>
<PRE>
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<a name=table3466></a>
(Table 03466)
Values for PC/TCP event type:
00h alarm
01h open (successfully opened stream connection)
02h receive (data available)
03h transmit (ACK received on stream connection)
04h transmit flush???
05h foreign close (remote host closed data connection)
06h close (local host closed connection and protocol is complete)
07h error (error code passed to handler as arg)
<p>
<a name=table3467></a>
(Table 03467)
Values PC/TCP user event handler is called with:.
BX = network descriptor.
CX = event type <a href="rb-6855.htm#Table3466" tppabs="http://www.ctyme.com/intr/rb-6855.htm#Table3466">(see #03466)</a>.
DS:DX -> arg.
ES:DI = 32-bit hint value.
<p><b>STACK:</b><br>Small stack, possibly the DOS stack
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