www/resources/islower.c.html


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<H1>islower.c</H1>

<PRE>
<I><FONT COLOR="#B22222">/*
 * First KLEE tutorial: testing a small function
 */</FONT></I>

#<B><FONT COLOR="#5F9EA0">include</FONT></B> <B><FONT COLOR="#BC8F8F">&lt;klee/klee.h&gt;</FONT></B>

<B><FONT COLOR="#228B22">int</FONT></B> <B><FONT COLOR="#0000FF">my_islower</FONT></B>(<B><FONT COLOR="#228B22">int</FONT></B> x) {
  <B><FONT COLOR="#A020F0">if</FONT></B> (x &gt;= <B><FONT COLOR="#BC8F8F">'a'</FONT></B> &amp;&amp; x &lt;= <B><FONT COLOR="#BC8F8F">'z'</FONT></B>)
    <B><FONT COLOR="#A020F0">return</FONT></B> 1;
  <B><FONT COLOR="#A020F0">else</FONT></B> <B><FONT COLOR="#A020F0">return</FONT></B> 0;
}

<B><FONT COLOR="#228B22">int</FONT></B> <B><FONT COLOR="#0000FF">main</FONT></B>() {
  <B><FONT COLOR="#228B22">char</FONT></B> c;
  klee_make_symbolic(&amp;c, <B><FONT COLOR="#A020F0">sizeof</FONT></B>(c), <B><FONT COLOR="#BC8F8F">&quot;input&quot;</FONT></B>);
  <B><FONT COLOR="#A020F0">return</FONT></B> my_islower(c);
}
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