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<title>The GNU Fortran Compiler: TTYNAM</title>
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<a name="TTYNAM"></a>
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<p>
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Next: <a href="UBOUND.html#UBOUND" accesskey="n" rel="next">UBOUND</a>, Previous: <a href="TRIM.html#TRIM" accesskey="p" rel="prev">TRIM</a>, Up: <a href="Intrinsic-Procedures.html#Intrinsic-Procedures" accesskey="u" rel="up">Intrinsic Procedures</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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<hr>
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<a name="TTYNAM-_002d_002d_002d-Get-the-name-of-a-terminal-device_002e"></a>
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<h3 class="section">9.265 <code>TTYNAM</code> — Get the name of a terminal device.</h3>
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<a name="index-TTYNAM"></a>
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<a name="index-system_002c-terminal-1"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p>Get the name of a terminal device. For more information,
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see <code>ttyname(3)</code>.
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</p>
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<p>This intrinsic is provided in both subroutine and function forms;
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however, only one form can be used in any given program unit.
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</p>
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</dd>
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<dt><em>Standard</em>:</dt>
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<dd><p>GNU extension
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</p>
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</dd>
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<dt><em>Class</em>:</dt>
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<dd><p>Subroutine, function
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</p>
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</dd>
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<dt><em>Syntax</em>:</dt>
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<dd><table>
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<tr><td width="80%"><code>CALL TTYNAM(UNIT, NAME)</code></td></tr>
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<tr><td width="80%"><code>NAME = TTYNAM(UNIT)</code></td></tr>
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</table>
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</dd>
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<dt><em>Arguments</em>:</dt>
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<dd><table>
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<tr><td width="15%"><var>UNIT</var></td><td width="70%">Shall be a scalar <code>INTEGER</code>.</td></tr>
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<tr><td width="15%"><var>NAME</var></td><td width="70%">Shall be of type <code>CHARACTER</code>.</td></tr>
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</table>
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</dd>
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<dt><em>Example</em>:</dt>
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<dd><div class="smallexample">
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<pre class="smallexample">PROGRAM test_ttynam
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INTEGER :: unit
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DO unit = 1, 10
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IF (isatty(unit=unit)) write(*,*) ttynam(unit)
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END DO
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END PROGRAM
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</pre></div>
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</dd>
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<dt><em>See also</em>:</dt>
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<dd><p><a href="ISATTY.html#ISATTY">ISATTY</a>
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</p></dd>
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</dl>
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