<!-- This comment will put IE 6, 7 and 8 in quirks mode --> <!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"/> <title>ALSA project - the C library reference: Access Mask Functions</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javaScript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body onload='searchBox.OnSelectItem(0);'> <!-- Generated by Doxygen 1.6.3 --> <script type="text/javascript"><!-- var searchBox = new SearchBox("searchBox", "search",false,'Search'); --></script> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <img id="MSearchSelect" src="search/search.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </div> </li> </ul> </div> </div> <div class="contents"> <h1>Access Mask Functions<br/> <small> [<a class="el" href="group___p_c_m.html">PCM Interface</a>]</small> </h1><table border="0" cellpadding="0" cellspacing="0"> <tr><td colspan="2"><h2>Defines</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#ga8097b3ae42fa4a2e5bece2ca95b515b7">snd_pcm_access_mask_alloca</a>(ptr)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">allocate an empty <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> using standard alloca <a href="#ga8097b3ae42fa4a2e5bece2ca95b515b7"></a><br/></td></tr> <tr><td colspan="2"><h2>Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#ga963ead3f1169f4b5e03a2968adc9cb0a">snd_pcm_access_mask_sizeof</a> (void)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">get size of <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> <a href="#ga963ead3f1169f4b5e03a2968adc9cb0a"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#gafedd1f9c96aa8a93ab7f2c0135de3780">snd_pcm_access_mask_malloc</a> (<a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> **ptr)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">allocate an empty <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> using standard malloc <a href="#gafedd1f9c96aa8a93ab7f2c0135de3780"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#ga965129493161fae3ab534209b7e6b2bc">snd_pcm_access_mask_free</a> (<a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *obj)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">frees a previously allocated <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> <a href="#ga965129493161fae3ab534209b7e6b2bc"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#ga4fc7338c7c0cd715ea384d4e308d5925">snd_pcm_access_mask_copy</a> (<a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *dst, const <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *src)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">copy one <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> to another <a href="#ga4fc7338c7c0cd715ea384d4e308d5925"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#gaa8202ce90275d6dfe2623cbacbc93708">snd_pcm_access_mask_none</a> (<a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *mask)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">reset all bits in a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> <a href="#gaa8202ce90275d6dfe2623cbacbc93708"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#ga76b2575826977951a862c5e78e81993c">snd_pcm_access_mask_any</a> (<a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *mask)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">set all bits in a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> <a href="#ga76b2575826977951a862c5e78e81993c"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#ga381ade7f78d8614b38dde36ba0393f74">snd_pcm_access_mask_test</a> (const <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *mask, <a class="el" href="group___p_c_m.html#ga661221ba5e8f1d6eaf4ab8e2da57cc1a">snd_pcm_access_t</a> val)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">test the presence of an access type in a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> <a href="#ga381ade7f78d8614b38dde36ba0393f74"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#ga224e84b7b1362aea503b0595512bac77">snd_pcm_access_mask_empty</a> (const <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *mask)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">test, if given a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> is empty <a href="#ga224e84b7b1362aea503b0595512bac77"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#gadc0a0f989a9faca8b25b2c35d4b14e14">snd_pcm_access_mask_set</a> (<a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *mask, <a class="el" href="group___p_c_m.html#ga661221ba5e8f1d6eaf4ab8e2da57cc1a">snd_pcm_access_t</a> val)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">make an access type present in a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> <a href="#gadc0a0f989a9faca8b25b2c35d4b14e14"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___access.html#ga35c6aaf5b55ef8dd1c4939467869db86">snd_pcm_access_mask_reset</a> (<a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> *mask, <a class="el" href="group___p_c_m.html#ga661221ba5e8f1d6eaf4ab8e2da57cc1a">snd_pcm_access_t</a> val)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">make an access type missing from a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> <a href="#ga35c6aaf5b55ef8dd1c4939467869db86"></a><br/></td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <p>See the <a class="el" href="pcm.html">PCM (digital audio) interface</a> page for more details. </p> <hr/><h2>Define Documentation</h2> <a class="anchor" id="ga8097b3ae42fa4a2e5bece2ca95b515b7"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_alloca" ref="ga8097b3ae42fa4a2e5bece2ca95b515b7" args="(ptr)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define snd_pcm_access_mask_alloca</td> <td>(</td> <td class="paramtype">ptr </td> <td class="paramname"></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>allocate an empty <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> using standard alloca </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>ptr</em> </td><td>returned pointer </td></tr> </table> </dd> </dl> </div> </div> <hr/><h2>Function Documentation</h2> <a class="anchor" id="ga76b2575826977951a862c5e78e81993c"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_any" ref="ga76b2575826977951a862c5e78e81993c" args="(snd_pcm_access_mask_t *mask)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void snd_pcm_access_mask_any </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>mask</em></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>set all bits in a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>pointer to mask </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga4fc7338c7c0cd715ea384d4e308d5925"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_copy" ref="ga4fc7338c7c0cd715ea384d4e308d5925" args="(snd_pcm_access_mask_t *dst, const snd_pcm_access_mask_t *src)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void snd_pcm_access_mask_copy </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>dst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>src</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>copy one <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> to another </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>pointer to destination </td></tr> <tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>pointer to source </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga224e84b7b1362aea503b0595512bac77"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_empty" ref="ga224e84b7b1362aea503b0595512bac77" args="(const snd_pcm_access_mask_t *mask)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int snd_pcm_access_mask_empty </td> <td>(</td> <td class="paramtype">const <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>mask</em></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>test, if given a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> is empty </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>pointer to mask </td></tr> </table> </dd> </dl> <dl><dt><b>Return values:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>0</em> </td><td>not empty </td></tr> <tr><td valign="top"></td><td valign="top"><em>1</em> </td><td>empty </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga965129493161fae3ab534209b7e6b2bc"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_free" ref="ga965129493161fae3ab534209b7e6b2bc" args="(snd_pcm_access_mask_t *obj)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void snd_pcm_access_mask_free </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>obj</em></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>frees a previously allocated <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>obj</em> </td><td>pointer to object to free </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="gafedd1f9c96aa8a93ab7f2c0135de3780"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_malloc" ref="gafedd1f9c96aa8a93ab7f2c0135de3780" args="(snd_pcm_access_mask_t **ptr)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int snd_pcm_access_mask_malloc </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> ** </td> <td class="paramname"> <em>ptr</em></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>allocate an empty <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> using standard malloc </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>ptr</em> </td><td>returned pointer </td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise negative error code </dd></dl> </div> </div> <a class="anchor" id="gaa8202ce90275d6dfe2623cbacbc93708"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_none" ref="gaa8202ce90275d6dfe2623cbacbc93708" args="(snd_pcm_access_mask_t *mask)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void snd_pcm_access_mask_none </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>mask</em></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>reset all bits in a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>pointer to mask </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga35c6aaf5b55ef8dd1c4939467869db86"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_reset" ref="ga35c6aaf5b55ef8dd1c4939467869db86" args="(snd_pcm_access_mask_t *mask, snd_pcm_access_t val)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void snd_pcm_access_mask_reset </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>mask</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga661221ba5e8f1d6eaf4ab8e2da57cc1a">snd_pcm_access_t</a> </td> <td class="paramname"> <em>val</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>make an access type missing from a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>pointer to mask </td></tr> <tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>access type </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="gadc0a0f989a9faca8b25b2c35d4b14e14"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_set" ref="gadc0a0f989a9faca8b25b2c35d4b14e14" args="(snd_pcm_access_mask_t *mask, snd_pcm_access_t val)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void snd_pcm_access_mask_set </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>mask</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga661221ba5e8f1d6eaf4ab8e2da57cc1a">snd_pcm_access_t</a> </td> <td class="paramname"> <em>val</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>make an access type present in a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>pointer to mask </td></tr> <tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>access type </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="ga963ead3f1169f4b5e03a2968adc9cb0a"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_sizeof" ref="ga963ead3f1169f4b5e03a2968adc9cb0a" args="(void)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">size_t snd_pcm_access_mask_sizeof </td> <td>(</td> <td class="paramtype">void </td> <td class="paramname"></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>get size of <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> </p> <dl class="return"><dt><b>Returns:</b></dt><dd>size in bytes </dd></dl> </div> </div> <a class="anchor" id="ga381ade7f78d8614b38dde36ba0393f74"></a><!-- doxytag: member="pcm.h::snd_pcm_access_mask_test" ref="ga381ade7f78d8614b38dde36ba0393f74" args="(const snd_pcm_access_mask_t *mask, snd_pcm_access_t val)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int snd_pcm_access_mask_test </td> <td>(</td> <td class="paramtype">const <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> * </td> <td class="paramname"> <em>mask</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga661221ba5e8f1d6eaf4ab8e2da57cc1a">snd_pcm_access_t</a> </td> <td class="paramname"> <em>val</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>test the presence of an access type in a <a class="el" href="group___p_c_m.html#ga7f9575bcc94c7c2cf5d688a45c16ffba">snd_pcm_access_mask_t</a> </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>pointer to mask </td></tr> <tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>access type </td></tr> </table> 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