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<hr><h1>dlmisc.c File Reference</h1>dynamic loader helpers
<a href="#_details">More...</a>
<p>
<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Functions</h2></td></tr>
<tr><td nowrap align=right valign=top>void * </td><td valign=bottom><a class="el" href="dlmisc_8c.html#a1">snd_dlopen</a> (const char *name, int mode)</td></tr>
<tr><td> </td><td><font size=-1><em>Opens a dynamic library - ALSA wrapper for <code>dlopen</code>.</em> <a href="#a1"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>int </td><td valign=bottom><a class="el" href="dlmisc_8c.html#a2">snd_dlclose</a> (void *handle)</td></tr>
<tr><td> </td><td><font size=-1><em>Closes a dynamic library - ALSA wrapper for <code>dlclose</code>.</em> <a href="#a2"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void * </td><td valign=bottom><a class="el" href="dlmisc_8c.html#a4">snd_dlsym</a> (void *handle, const char *name, const char *version)</td></tr>
<tr><td> </td><td><font size=-1><em>Resolves a symbol from a dynamic library - ALSA wrapper for <code>dlsym</code>.</em> <a href="#a4"></a><em></em></font><br><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
dynamic loader helpers
<p>
<p>
<dl compact><dt><b>Author: </b></dt><dd>
Jaroslav Kysela <<a href="mailto:perex@suse.cz">perex@suse.cz</a>> </dl><dl compact><dt><b>Date: </b></dt><dd>
2001</dl>Dynamic loader helpers
<p>
<hr><h2>Function Documentation</h2>
<a name="a2" doxytag="dlmisc.c::snd_dlclose"></a><p>
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<td class="md">
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<td class="md" nowrap valign="top"> int snd_dlclose </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void * </td>
<td class="mdname1" valign="top" nowrap> <em>handle</em> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap></td>
</tr>
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</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Closes a dynamic library - ALSA wrapper for <code>dlclose</code>.
<p>
<dl compact><dt><b>Parameters: </b></dt><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>handle</em> </td><td>
Library handle, similar to <code>dlclose</code>. </td></tr>
</table>
</dl><dl compact><dt><b>Returns: </b></dt><dd>
Zero if successful, otherwise an error code.</dl>This function can emulate dynamic linking for the static build of the alsa-lib library. </td>
</tr>
</table>
<a name="a1" doxytag="dlmisc.c::snd_dlopen"></a><p>
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<td class="md" nowrap valign="top"> void* snd_dlopen </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const char * </td>
<td class="mdname" nowrap> <em>name</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>mode</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Opens a dynamic library - ALSA wrapper for <code>dlopen</code>.
<p>
<dl compact><dt><b>Parameters: </b></dt><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>name</em> </td><td>
name of the library, similar to <code>dlopen</code>. </td></tr>
<tr><td valign=top><em>mode</em> </td><td>
mode flags, similar to <code>dlopen</code>. </td></tr>
</table>
</dl><dl compact><dt><b>Returns: </b></dt><dd>
Library handle if successful, otherwise <code>NULL</code>.</dl>This function can emulate dynamic linking for the static build of the alsa-lib library. In that case, <code>name</code> is set to <code>NULL</code>. </td>
</tr>
</table>
<a name="a4" doxytag="dlmisc.c::snd_dlsym"></a><p>
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<td class="md">
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<td class="md" nowrap valign="top"> void* snd_dlsym </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void * </td>
<td class="mdname" nowrap> <em>handle</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>const char * </td>
<td class="mdname" nowrap> <em>name</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>const char * </td>
<td class="mdname" nowrap> <em>version</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Resolves a symbol from a dynamic library - ALSA wrapper for <code>dlsym</code>.
<p>
<dl compact><dt><b>Parameters: </b></dt><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>handle</em> </td><td>
Library handle, similar to <code>dlsym</code>. </td></tr>
<tr><td valign=top><em>name</em> </td><td>
Symbol name. </td></tr>
<tr><td valign=top><em>version</em> </td><td>
Version of the symbol.</td></tr>
</table>
</dl>This function can emulate dynamic linking for the static build of the alsa-lib library.
<p>
This special version of the <code>dlsym</code> function checks also the version of the symbol. A versioned symbol should be defined using the <a class="el" href="group___global.html#a11">SND_DLSYM_BUILD_VERSION</a> macro. </td>
</tr>
</table>
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