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<html><head><title>XLISP digit-char</title>
<link rel="stylesheet" type="text/css" href="reference.css">
</head>
<body>
<a href="../start.htm">Nyquist / XLISP 2.0</a> -
<a href="../manual/contents.htm">Contents</a> |
<a href="../tutorials/tutorials.htm">Tutorials</a> |
<a href="../examples/examples.htm">Examples</a> |
<a href="reference-index.htm">Reference</a>
<hr>
<h1>digit-char</h1>
<hr>
<p><table cellpadding="0" cellspacing="0" style="margin-left:10px"><tbody>
<tr valign="top">
<td><nobr>Type:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>function (subr)</nobr></td>
</tr>
<tr valign="top">
<td><nobr>Source:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>xlstr.c</nobr></td>
</tr>
</tbody></table></p>
<h2>Syntax</h2>
<dl>
<dt>(digit-char <i>int</i>)</dt>
<dd><i>int</i> - an integer expression<br>
returns - the digit character or <a href="nil.htm">NIL</a></dd>
</dl>
<h2>Description</h2>
<p>The 'digit-char' function takes an integer expression 'int' and converts
it into a decimal digit character. So, an integer value of '0' produces the
character '#\0'. An integer value of '1' produces the character '#\1' and so
on. If a valid character can be produce it is returned, otherwise a
<a href="nil.htm">NIL</a> is returned.</p>
<h2>Examples</h2>
<pre class="example">
(digit-char 0) <font color="#008844">; returns #\0</font>
(digit-char 9) <font color="#008844">; returns #\9</font>
(digit-char 10) <font color="#008844">; returns NIL</font>
</pre>
<p><b>Common Lisp:</b> Common Lisp supports the use of an optional radix
parameter. This option specifies numeric base. This allows the 'digit-char'
to function properly for hexadecimal digits [for example]. Common Lisp
supports up to <nobr>base 36</nobr> radix systems. XLISP does not support
this radix parameter. Common Lisp also supports a font parameter which XLISP
does not.</p>
<p>See the
<a href="../manual/xlisp-man-026.htm#digit-char">digit-char</a>
function in the <nobr>XLISP 2.0</nobr> manual.</p>
<p><nobr> <a href="#top">Back to Top</nobr></a></p>
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