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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>function::stringat</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"><link rel="start" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="ch27.html" title="Chapter 27. A collection of standard string functions"><link rel="prev" href="re469.html" title="function::str_replace"><link rel="next" href="re471.html" title="function::strlen"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>function::stringat</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re469.html">Prev</a> </td><th width="60%" align="center">Chapter 27. A collection of standard string functions</th><td width="20%" align="right"> <a accesskey="n" href="re471.html">Next</a></td></tr></table><hr></div><div class="refentry" lang="en"><a name="API-stringat"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>function::stringat —
Returns the char at a given position in the string
</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting">
stringat:long(str:string,pos:long)
</pre></div><div class="refsect1" lang="en"><a name="idp11843936"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>str</code></em></span></dt><dd><p>
the string to fetch the character from
</p></dd><dt><span class="term"><em class="parameter"><code>pos</code></em></span></dt><dd><p>
the position to get the character from (first character is 0)
</p></dd></dl></div></div><div class="refsect1" lang="en"><a name="idp11849200"></a><h2>Description</h2><p>
This function returns the character at a given position in
the string or zero if thestring doesn't have as many characters.
</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re469.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch27.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re471.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>function::str_replace</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>function::strlen</span></td></tr></table></div></body></html>