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oldlinux-files/docs/interrupts/int-html/rb-6852.htm
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Int 61/AH=1Dh - PC/TCP kernel v2.05+ - net_readfrom - READ A DATAGRAM -
AH = 1Dh
BX = network descriptor
CX = maximum number of bytes to read
DX = receive options (see #03464)
DS:SI - buffer for received data
ES:DI - 9-byte buffer containing addr structure (see #03462)
Return: CF clear if successful
AX = number of bytes read
DX = ???
CF set on error
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<h2>Int 61/AH=1Dh
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<h3><font color=#C00040>PC/TCP kernel v2.05+ - net_readfrom - READ A DATAGRAM</font></h3>
<PRE>
AH = 1Dh
BX = network descriptor
CX = maximum number of bytes to read
DX = receive options <a href="rb-6846.htm#Table3464" tppabs="http://www.ctyme.com/intr/rb-6846.htm#Table3464">(see #03464)</a>
DS:SI -> buffer for received data
ES:DI -> 9-byte buffer containing "addr" structure <a href="rb-6834.htm#Table3462" tppabs="http://www.ctyme.com/intr/rb-6834.htm#Table3462">(see #03462)</a><br>
<p><b>Return:</b><br>CF clear if successful
AX = number of bytes read
DX = ???
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>Notes:</b>
This function can read from any host or a designated host depending
on settings in the "addr" structure.
Only for use with datagram or Raw descriptors
<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> - <a href="rb-6848.htm" tppabs="http://www.ctyme.com/intr/rb-6848.htm">INT 61/AH=1Bh</a> - <a href="javascript:if(confirm('http://www.ctyme.com/i \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/i'" tppabs="http://www.ctyme.com/i"
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Int 61h</a>
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