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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>JACK-AUDIO-CONNECTION-KIT: Controlling error/information output</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
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<div id="top"><!-- do not remove this div! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">JACK-AUDIO-CONNECTION-KIT
 <span id="projectnumber">0.124.1</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- Generated by Doxygen 1.7.6.1 -->
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<li><a href="index.html"><span>Main Page</span></a></li>
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<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
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</ul>
</div>
</div>
<div class="header">
<div class="summary">
<a href="#func-members">Functions</a> |
<a href="#var-members">Variables</a> </div>
<div class="headertitle">
<div class="title">Controlling error/information output</div> </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ErrorOutput.html#ga550faaef2bb17b03b0068fe094e7b92f">jack_set_error_function</a> (void(*func)(const char *)) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ErrorOutput.html#ga1555b7b4ae4056a42c70a3fa278ae17f">jack_set_info_function</a> (void(*func)(const char *)) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr><td colspan="2"><h2><a name="var-members"></a>
Variables</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ErrorOutput.html#gadabaab075f11a7149f8bc3143d638780">jack_error_callback</a> )(const char *msg) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ErrorOutput.html#ga4fd590171478e9ef1c0686c8911041b7">jack_info_callback</a> )(const char *msg) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
</table>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga550faaef2bb17b03b0068fe094e7b92f"></a><!-- doxytag: member="jack.h::jack_set_error_function" ref="ga550faaef2bb17b03b0068fe094e7b92f" args="(void(*func)(const char *)) JACK_OPTIONAL_WEAK_EXPORT" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="group__ErrorOutput.html#ga550faaef2bb17b03b0068fe094e7b92f">jack_set_error_function</a> </td>
<td>(</td>
<td class="paramtype">void(*)(const char *) </td>
<td class="paramname"><em>func</em></td><td>)</td>
<td></td>
</tr>
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</div>
<div class="memdoc">
<p>Set the <a class="el" href="group__ErrorOutput.html#gadabaab075f11a7149f8bc3143d638780">jack_error_callback</a> for error message display.</p>
<p>The JACK library provides two built-in callbacks for this purpose: default_jack_error_callback() and silent_jack_error_callback(). </p>
</div>
</div>
<a class="anchor" id="ga1555b7b4ae4056a42c70a3fa278ae17f"></a><!-- doxytag: member="jack.h::jack_set_info_function" ref="ga1555b7b4ae4056a42c70a3fa278ae17f" args="(void(*func)(const char *)) JACK_OPTIONAL_WEAK_EXPORT" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="group__ErrorOutput.html#ga1555b7b4ae4056a42c70a3fa278ae17f">jack_set_info_function</a> </td>
<td>(</td>
<td class="paramtype">void(*)(const char *) </td>
<td class="paramname"><em>func</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set the <a class="el" href="group__ErrorOutput.html#ga4fd590171478e9ef1c0686c8911041b7">jack_info_callback</a> for info message display. </p>
</div>
</div>
<hr/><h2>Variable Documentation</h2>
<a class="anchor" id="gadabaab075f11a7149f8bc3143d638780"></a><!-- doxytag: member="jack.h::jack_error_callback" ref="gadabaab075f11a7149f8bc3143d638780" args=")(const char *msg) JACK_OPTIONAL_WEAK_EXPORT" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void(* <a class="el" href="group__ErrorOutput.html#gadabaab075f11a7149f8bc3143d638780">jack_error_callback</a>)(const char *msg) JACK_OPTIONAL_WEAK_EXPORT</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Display JACK error message.</p>
<p>Set via <a class="el" href="group__ErrorOutput.html#ga550faaef2bb17b03b0068fe094e7b92f">jack_set_error_function()</a>, otherwise a JACK-provided default will print <em>msg</em> (plus a newline) to stderr.</p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">msg</td><td>error message text (no newline at end). </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga4fd590171478e9ef1c0686c8911041b7"></a><!-- doxytag: member="jack.h::jack_info_callback" ref="ga4fd590171478e9ef1c0686c8911041b7" args=")(const char *msg) JACK_OPTIONAL_WEAK_EXPORT" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void(* <a class="el" href="group__ErrorOutput.html#ga4fd590171478e9ef1c0686c8911041b7">jack_info_callback</a>)(const char *msg) JACK_OPTIONAL_WEAK_EXPORT</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Display JACK info message.</p>
<p>Set via <a class="el" href="group__ErrorOutput.html#ga1555b7b4ae4056a42c70a3fa278ae17f">jack_set_info_function()</a>, otherwise a JACK-provided default will print <em>msg</em> (plus a newline) to stdout.</p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">msg</td><td>info message text (no newline at end). </td></tr>
</table>
</dd>
</dl>
</div>
</div>
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