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<html><head><title>XLISP nstring-downcase</title>
<link rel="stylesheet" type="text/css" href="reference.css">
</head>
<body>
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<hr>
<h1>nstring-downcase</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>(nstring-downcase <i>string</i> [{:start | :end} <i>offset</i>] ... )</dt>
<dd><i>string</i> - a string expression<br>
<i>offset</i> - an optional integer expression for a keyword<br>
returns - the converted string, not a copy</dd>
</dl>
<h2>Description</h2>
<p>The 'nstring-downcase' function takes a string argument and makes it
lower case. This function modifies the string or string variable itself, it
does not just make a copy. The lower case string is returned.</p>
<p> The keyword arguments allow for accessing substrings within 'string'.
The keyword arguments require a keyword [':start' or ':end'] first and a
single integer expression second. The ':start' keyword specifies the
starting offset for the 'nstring-downcase' operation on 'string'. A value of
0 starts the string at the beginning [no offset]. The ':end' keyword
specifies the end offset for the operation on 'string'.</p>
<h2>Examples</h2>
<pre class="example">
(nstring-downcase "ABcd+-12&[") <font color="#008844">; returns "abcd+-&["</font>
(nstring-downcase "ABCDEFGH" :start 2 :end 4) <font color="#008844">; returns "ABcdEFGH"</font>
(setq mystr "ABcdEFgh") <font color="#008844">; set up variable</font>
(nstring-downcase mystr) <font color="#008844">; returns "abcdefgh"</font>
(print mystr) <font color="#008844">; prints "abcdefgh"</font>
<font color="#008844">; note that MYSTR is modified</font>
</pre>
<p>See the
<a href="../manual/xlisp-man-025.htm#nstring-downcase">nstring-downcase</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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