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$NCDId: @(#)AuGElSt.man,v 1.1 1994/09/27 00:28:44 greg Exp $
copyright 1994 Steven King
portions are
* Copyright 1993 Network Computing Devices, Inc.
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$Id: AuGetElementStates.3.html 243 2007-04-07 23:13:43Z jon $
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<html>
<head>
<title>AuGetElementStates(3) manual page</title>
</head>
<body bgcolor='#efefef' text='black' link='blue' vlink='#551A8B' alink='red'>
<a href='#toc'>Table of Contents</a><p>
<h2><a name='sect0' href='#toc0'><b>Name</b></a></h2>
<b>AuGetElementStates</b> - get the state of elements
in a flow
<h2><a name='sect1' href='#toc1'><b>Synopsis</b></a></h2>
#include <audio/audiolib.h> <p>
<b>AuElementState</b> *<b>AuGetElementStates</b>(<i>server</i>,
<i>num_states</i>, <i>states</i>, <i>status</i>) <br>
<b>AuServer</b> *<i>server</i>;<br>
<br>
int *<i>num_states</i>; /* <b>SEND</b> and <b>RETURN</b> */<br>
<br>
<b>AuElementState</b> *<i>states</i>;<br>
<br>
<b>AuStatus</b> *<i>status</i>; /* <b>RETURN</b> */<br>
<h2><a name='sect2' href='#toc2'><b>Arguments</b></a></h2>
<dl>
<dt><i>server</i></dt>
<dd>Specifies the connection to the audio server. </dd>
<dt><i>num_states</i></dt>
<dd>Specifies
the number of element states in <i>states</i> and returns the number of element
states actually returned. </dd>
<dt><i>states</i></dt>
<dd>Specifies the list of <b>AuElementState</b> structures
indicating the flow and element number of the elements to return the state
of. </dd>
<dt><i>status</i></dt>
<dd>If non-NULL, flush the output buffer and return the status from
the server. </dd>
</dl>
<h2><a name='sect3' href='#toc3'><b>Description</b></a></h2>
<b>AuGetElementStates</b> returns a list of element states,
or NULL, with num_states set to 0, if there was an error. Use <b>AuFreeElementStates</b>
to free this list when nolonger needed.
<h2><a name='sect4' href='#toc4'>Notes</a></h2>
Attempting to get the state
of a non-component element (AddConstant, Bundle, ExportMonitor, MultiplyConstant,
and Sum) will result in an error.
<h2><a name='sect5' href='#toc5'><b>Errors</b></a></h2>
<b>AuBadFlow</b>, <b>AuBadLength</b>, <b>AuBadAlloc</b>,
<b>AuBadElement</b>.
<h2><a name='sect6' href='#toc6'><b>See Also</b></a></h2>
<b>AuSetElementStates</b>. <p>
audiolib - <b>Network Audio System</b>
C Language Interface <p>
<hr><p>
<a name='toc'><b>Table of Contents</b></a><p>
<ul>
<li><a name='toc0' href='#sect0'>Name</a></li>
<li><a name='toc1' href='#sect1'>Synopsis</a></li>
<li><a name='toc2' href='#sect2'>Arguments</a></li>
<li><a name='toc3' href='#sect3'>Description</a></li>
<li><a name='toc4' href='#sect4'>Notes</a></li>
<li><a name='toc5' href='#sect5'>Errors</a></li>
<li><a name='toc6' href='#sect6'>See Also</a></li>
</ul>
</body>
</html>
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