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93 lines
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<link href="_005f_005fretarget_005flock_005finit.html#g_t_005f_005fretarget_005flock_005finit" rel="prev" title="__retarget_lock_init">
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<a name="unctrl"></a>
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<div class="header">
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<p>
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Previous: <a href="_005f_005fretarget_005flock_005finit.html#g_t_005f_005fretarget_005flock_005finit" accesskey="p" rel="prev">__retarget_lock_init</a>, Up: <a href="Misc.html#Misc" accesskey="u" rel="up">Misc</a> [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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<hr>
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<a name="unctrl_002d_002d_002dget-printable-representation-of-a-character"></a>
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<h3 class="section">11.3 <code>unctrl</code>—get printable representation of a character</h3>
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<a name="index-unctrl"></a>
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<a name="index-unctrllen"></a>
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<p><strong>Synopsis</strong>
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</p><div class="example">
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<pre class="example">#include <unctrl.h>
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char *unctrl(int <var>c</var>);
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int unctrllen(int <var>c</var>);
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</pre></div>
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<p><strong>Description</strong><br>
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<code>unctrl</code> is a macro which returns the printable representation of <var>c</var>
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as a string.
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<code>unctrllen</code> is a macro which returns the length of the printable
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representation of <var>c</var>.
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</p>
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<br>
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<p><strong>Returns</strong><br>
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<code>unctrl</code> returns a string of the printable representation of <var>c</var>.
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</p>
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<p><code>unctrllen</code> returns the length of the string which is the printable
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representation of <var>c</var>.
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</p>
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<br>
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<p><strong>Portability</strong><br>
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<code>unctrl</code> and <code>unctrllen</code> are not ANSI C.
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</p>
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<p>No supporting OS subroutines are required.
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</p>
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