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  <div class="section" id="module-tty">
<span id="tty-terminal-control-functions"></span><h1>35.8. <a class="reference internal" href="#module-tty" title="tty: Utility functions that perform common terminal control operations. (Unix)"><tt class="xref py py-mod docutils literal"><span class="pre">tty</span></tt></a> &#8212; Terminal control functions<a class="headerlink" href="#module-tty" title="Permalink to this headline">¶</a></h1>
<p>The <a class="reference internal" href="#module-tty" title="tty: Utility functions that perform common terminal control operations. (Unix)"><tt class="xref py py-mod docutils literal"><span class="pre">tty</span></tt></a> module defines functions for putting the tty into cbreak and raw
modes.</p>
<p>Because it requires the <a class="reference internal" href="termios.html#module-termios" title="termios: POSIX style tty control. (Unix)"><tt class="xref py py-mod docutils literal"><span class="pre">termios</span></tt></a> module, it will work only on Unix.</p>
<p>The <a class="reference internal" href="#module-tty" title="tty: Utility functions that perform common terminal control operations. (Unix)"><tt class="xref py py-mod docutils literal"><span class="pre">tty</span></tt></a> module defines the following functions:</p>
<dl class="function">
<dt id="tty.setraw">
<tt class="descclassname">tty.</tt><tt class="descname">setraw</tt><big>(</big><em>fd</em><span class="optional">[</span>, <em>when</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#tty.setraw" title="Permalink to this definition">¶</a></dt>
<dd><p>Change the mode of the file descriptor <em>fd</em> to raw. If <em>when</em> is omitted, it
defaults to <tt class="xref py py-const docutils literal"><span class="pre">termios.TCSAFLUSH</span></tt>, and is passed to
<a class="reference internal" href="termios.html#termios.tcsetattr" title="termios.tcsetattr"><tt class="xref py py-func docutils literal"><span class="pre">termios.tcsetattr()</span></tt></a>.</p>
</dd></dl>

<dl class="function">
<dt id="tty.setcbreak">
<tt class="descclassname">tty.</tt><tt class="descname">setcbreak</tt><big>(</big><em>fd</em><span class="optional">[</span>, <em>when</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#tty.setcbreak" title="Permalink to this definition">¶</a></dt>
<dd><p>Change the mode of file descriptor <em>fd</em> to cbreak. If <em>when</em> is omitted, it
defaults to <tt class="xref py py-const docutils literal"><span class="pre">termios.TCSAFLUSH</span></tt>, and is passed to
<a class="reference internal" href="termios.html#termios.tcsetattr" title="termios.tcsetattr"><tt class="xref py py-func docutils literal"><span class="pre">termios.tcsetattr()</span></tt></a>.</p>
</dd></dl>

<div class="admonition-see-also admonition seealso">
<p class="first admonition-title">See also</p>
<dl class="last docutils">
<dt>Module <a class="reference internal" href="termios.html#module-termios" title="termios: POSIX style tty control. (Unix)"><tt class="xref py py-mod docutils literal"><span class="pre">termios</span></tt></a></dt>
<dd>Low-level terminal control interface.</dd>
</dl>
</div>
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