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<div id="projectname">GLFW
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 <span id="projectnumber">3.0.2</span>
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</div>
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<div id="projectbrief">A multi-platform library for OpenGL, window and input</div>
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<div class="title">Initialization and version information</div> </div>
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</div><!--header-->
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<div class="contents">
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga317aac130a235ab08c6db0834907d85e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a> (void)</td></tr>
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<tr class="memdesc:ga317aac130a235ab08c6db0834907d85e"><td class="mdescLeft"> </td><td class="mdescRight">Initializes the GLFW library. <a href="#ga317aac130a235ab08c6db0834907d85e">More...</a><br/></td></tr>
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<tr class="separator:ga317aac130a235ab08c6db0834907d85e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaaae48c0a18607ea4a4ba951d939f0901"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> (void)</td></tr>
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<tr class="memdesc:gaaae48c0a18607ea4a4ba951d939f0901"><td class="mdescLeft"> </td><td class="mdescRight">Terminates the GLFW library. <a href="#gaaae48c0a18607ea4a4ba951d939f0901">More...</a><br/></td></tr>
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<tr class="separator:gaaae48c0a18607ea4a4ba951d939f0901"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9f8ffaacf3c269cc48eafbf8b9b71197"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#ga9f8ffaacf3c269cc48eafbf8b9b71197">glfwGetVersion</a> (int *major, int *minor, int *rev)</td></tr>
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<tr class="memdesc:ga9f8ffaacf3c269cc48eafbf8b9b71197"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the version of the GLFW library. <a href="#ga9f8ffaacf3c269cc48eafbf8b9b71197">More...</a><br/></td></tr>
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<tr class="separator:ga9f8ffaacf3c269cc48eafbf8b9b71197"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga23d47dc013fce2bf58036da66079a657"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#ga23d47dc013fce2bf58036da66079a657">glfwGetVersionString</a> (void)</td></tr>
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<tr class="memdesc:ga23d47dc013fce2bf58036da66079a657"><td class="mdescLeft"> </td><td class="mdescRight">Returns a string describing the compile-time configuration. <a href="#ga23d47dc013fce2bf58036da66079a657">More...</a><br/></td></tr>
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<tr class="separator:ga23d47dc013fce2bf58036da66079a657"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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GLFW version macros</h2></td></tr>
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<tr class="memitem:ga6337d9ea43b22fc529b2bba066b4a576"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#ga6337d9ea43b22fc529b2bba066b4a576">GLFW_VERSION_MAJOR</a>   3</td></tr>
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<tr class="memdesc:ga6337d9ea43b22fc529b2bba066b4a576"><td class="mdescLeft"> </td><td class="mdescRight">The major version number of the GLFW library. <a href="#ga6337d9ea43b22fc529b2bba066b4a576">More...</a><br/></td></tr>
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<tr class="separator:ga6337d9ea43b22fc529b2bba066b4a576"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf80d40f0aea7088ff337606e9c48f7a3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gaf80d40f0aea7088ff337606e9c48f7a3">GLFW_VERSION_MINOR</a>   0</td></tr>
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<tr class="memdesc:gaf80d40f0aea7088ff337606e9c48f7a3"><td class="mdescLeft"> </td><td class="mdescRight">The minor version number of the GLFW library. <a href="#gaf80d40f0aea7088ff337606e9c48f7a3">More...</a><br/></td></tr>
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<tr class="separator:gaf80d40f0aea7088ff337606e9c48f7a3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab72ae2e2035d9ea461abc3495eac0502"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gab72ae2e2035d9ea461abc3495eac0502">GLFW_VERSION_REVISION</a>   2</td></tr>
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<tr class="memdesc:gab72ae2e2035d9ea461abc3495eac0502"><td class="mdescLeft"> </td><td class="mdescRight">The revision number of the GLFW library. <a href="#gab72ae2e2035d9ea461abc3495eac0502">More...</a><br/></td></tr>
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<tr class="separator:gab72ae2e2035d9ea461abc3495eac0502"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<a class="anchor" id="ga6337d9ea43b22fc529b2bba066b4a576"></a>
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<tr>
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<td class="memname">#define GLFW_VERSION_MAJOR   3</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This is incremented when the API is changed in non-compatible ways. </p>
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</div>
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</div>
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<a class="anchor" id="gaf80d40f0aea7088ff337606e9c48f7a3"></a>
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<tr>
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<td class="memname">#define GLFW_VERSION_MINOR   0</td>
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</tr>
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</div><div class="memdoc">
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<p>This is incremented when features are added to the API but it remains backward-compatible. </p>
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</div>
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</div>
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<a class="anchor" id="gab72ae2e2035d9ea461abc3495eac0502"></a>
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<tr>
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<td class="memname">#define GLFW_VERSION_REVISION   2</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>This is incremented when a bug fix release is made that does not contain any API changes. </p>
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</div>
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</div>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="ga9f8ffaacf3c269cc48eafbf8b9b71197"></a>
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<td class="memname">void glfwGetVersion </td>
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<td>(</td>
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<td class="paramtype">int * </td>
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<td class="paramname"><em>major</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int * </td>
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<td class="paramname"><em>minor</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int * </td>
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<td class="paramname"><em>rev</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>This function retrieves the major, minor and revision numbers of the GLFW library. It is intended for when you are using GLFW as a shared library and want to ensure that you are using the minimum required version.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[out]</td><td class="paramname">major</td><td>Where to store the major version number, or <code>NULL</code>. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">minor</td><td>Where to store the minor version number, or <code>NULL</code>. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">rev</td><td>Where to store the revision number, or <code>NULL</code>.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section remark"><dt>Remarks</dt><dd>This function may be called before <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a>.</dd>
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<dd>
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This function may be called from any thread.</dd></dl>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__init.html#ga23d47dc013fce2bf58036da66079a657" title="Returns a string describing the compile-time configuration.">glfwGetVersionString</a> </dd></dl>
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<a class="anchor" id="ga23d47dc013fce2bf58036da66079a657"></a>
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<td class="memname">const char* glfwGetVersionString </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>This function returns a static string generated at compile-time according to which configuration macros were defined. This is intended for use when submitting bug reports, to allow developers to see which code paths are enabled in a binary.</p>
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<p>The format of the string is as follows:</p>
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<ul>
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<li>The version of GLFW</li>
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<li>The name of the window system API</li>
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<li>The name of the context creation API</li>
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<li>Any additional options or APIs</li>
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</ul>
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<p>For example, when compiling GLFW 3.0 with MinGW using the Win32 and WGL back ends, the version string may look something like this: </p>
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<pre class="fragment">3.0.0 Win32 WGL MinGW
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</pre><dl class="section return"><dt>Returns</dt><dd>The GLFW version string.</dd></dl>
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<dl class="section remark"><dt>Remarks</dt><dd>This function may be called before <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a>.</dd>
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<dd>
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This function may be called from any thread.</dd></dl>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__init.html#ga9f8ffaacf3c269cc48eafbf8b9b71197" title="Retrieves the version of the GLFW library.">glfwGetVersion</a> </dd></dl>
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</div>
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<a class="anchor" id="ga317aac130a235ab08c6db0834907d85e"></a>
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<div class="memitem">
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<div class="memproto">
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<td class="memname">int glfwInit </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<p>This function initializes the GLFW library. Before most GLFW functions can be used, GLFW must be initialized, and before a program terminates GLFW should be terminated in order to free any resources allocated during or after initialization.</p>
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<p>If this function fails, it calls <a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> before returning. If it succeeds, you should call <a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> before the program exits.</p>
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<p>Additional calls to this function after successful initialization but before termination will succeed but will do nothing.</p>
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<dl class="section return"><dt>Returns</dt><dd><code>GL_TRUE</code> if successful, or <code>GL_FALSE</code> if an error occurred.</dd></dl>
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<dl class="section user"><dt>New in GLFW 3</dt><dd>This function no longer registers <a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> with <code>atexit</code>.</dd></dl>
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<dl class="section note"><dt>Note</dt><dd>This function may only be called from the main thread.</dd>
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<dd>
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This function may take several seconds to complete on some systems, while on other systems it may take only a fraction of a second to complete.</dd>
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<dd>
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<b>Mac OS X:</b> This function will change the current directory of the application to the <code>Contents/Resources</code> subdirectory of the application's bundle, if present.</dd></dl>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901" title="Terminates the GLFW library.">glfwTerminate</a> </dd></dl>
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</div>
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<a class="anchor" id="gaaae48c0a18607ea4a4ba951d939f0901"></a>
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<td class="memname">void glfwTerminate </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>This function destroys all remaining windows, frees any allocated resources and sets the library to an uninitialized state. Once this is called, you must again call <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a> successfully before you will be able to use most GLFW functions.</p>
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<p>If GLFW has been successfully initialized, this function should be called before the program exits. If initialization fails, there is no need to call this function, as it is called by <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a> before it returns failure.</p>
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<dl class="section remark"><dt>Remarks</dt><dd>This function may be called before <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a>.</dd></dl>
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<dl class="section note"><dt>Note</dt><dd>This function may only be called from the main thread.</dd></dl>
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<dl class="section warning"><dt>Warning</dt><dd>No window's context may be current on another thread when this function is called.</dd></dl>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e" title="Initializes the GLFW library.">glfwInit</a> </dd></dl>
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Generated on Sun Aug 25 2013 21:45:13 for GLFW by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.3.1
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