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<TITLE>Int 6B/AH=21h
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Int 6B/AH=21h - NPC NCSI EXTENDED SERIAL I/O - QUERY NAME SERVICE -
AH = 21h
AL = virtual circuit number
CL = ??? (00h or 01h)
ES:BX - buffer for service name structure (see #03732)
Return: CF clear if successful
ES:BX buffer filled
CF set on error
Notes: a program should call this function after allocating a virtual circuit
and check that the general name matches the requested service
prior to version 3.0, Novell's NASI returned the first available port;
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<h2>Int 6B/AH=21h
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<h3><font color=#C00040>NPC NCSI EXTENDED SERIAL I/O - QUERY NAME SERVICE</font></h3>
<PRE>
AH = 21h
AL = virtual circuit number
CL = ??? (00h or 01h)
ES:BX -> buffer for service name structure <a href="rb-7622.htm#Table3732" tppabs="http://www.ctyme.com/intr/rb-7622.htm#Table3732">(see #03732)</a><br>
<p><b>Return:</b><br>CF clear if successful
ES:BX buffer filled
CF set on error
</PRE>
<p><b>Notes:</b>
A program should call this function after allocating a virtual circuit
and check that the general name matches the requested service.
Prior to version 3.0, Novell's NASI returned the first available port;
v3.0+ returns the first port found--check the returned status to
determine whether the port is available
<p><b>See Also:</b>
<a href="rb-7605.htm" tppabs="http://www.ctyme.com/intr/rb-7605.htm">AH=14h"NCSI"</a>
<PRE>
<p>
Format of NCSI service name structure:
<a name=table3732></a>
Offset Size Description (Table 03732)
00h WORD buffer length
02h 8 BYTEs service name
0Ah 8 BYTEs general name
12h 8 BYTEs specific name
1Ah 4 BYTEs ???
---Novell NASI v3.0+ ---
1Eh BYTE port number
1Fh BYTE port status
00h idle (available)
01h allocated (available)
02h connected
03h on hold
</PRE>
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