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<title>PTypes: streams: Standard input, output and error devices</title>
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<p class="hpath"><a href="index.html">Top</a>: <a href="streams.html">Streams</a>: 
Standard input, output and error devices </p>
<blockquote> 
<pre class="lang">#include <pstreams.h>

instm  pin;
outstm pout;
outstm perr;
outstm pnull;</pre>
</blockquote>
<p>PTypes declares four static stream objects for standard input, output, error 
and null devices - <span class="lang">pin</span>, <span class="lang">pout</span>, 
<span class="lang">perr</span> and <span class="lang">pnull </span>respectively. 
These objects can be used in place of the standard C or C++ input/output interfaces. 
<span class="lang">Pnull</span> is an output stream that discards any data written 
to it. The <span class="lang">putf()</span> method in standard output objects 
<span class="lang">pout</span> and <span class="lang">perr</span> is atomic with 
respect to multithreading.</p>
<p class="seealso">See also: <a href="streams.iobase.html">iobase</a>, <a href="streams.instm.html">instm</a>, 
<a href="streams.outstm.html">outstm</a>, <a href="streams.examples.html">Examples</a></p>
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Source at commit tip created 11 years 7 months ago.
By Nathan Adams, Updating makefile

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