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test_string_compare.cpp.html
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<meta name="GENERATOR" content="GNU source-highlight
by Lorenzo Bettini
http://www.lorenzobettini.it
http://www.gnu.org/software/src-highlite">
<title>test_string_compare.cpp</title>
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<pre><b><span style="color:#000080">#include</span></b> <span style="color:#FF0000"><iostream></span>
<b><span style="color:#000080">#include</span></b> <span style="color:#FF0000"><string></span>
<b><span style="color:#0000FF">using</span></b> <b><span style="color:#0000FF">namespace</span></b> std<span style="color:#990000">;</span>
<b><span style="color:#0000FF">extern</span></b> <span style="color:#FF0000">"C"</span> <span style="color:#009900">bool</span> <b><span style="color:#000000">compare_string</span></b><span style="color:#990000">(</span><b><span style="color:#0000FF">const</span></b> <span style="color:#009900">char</span><span style="color:#990000">*</span> theStr1<span style="color:#990000">,</span> <b><span style="color:#0000FF">const</span></b> <span style="color:#009900">char</span><span style="color:#990000">*</span> theStr2<span style="color:#990000">);</span>
<span style="color:#009900">bool</span> <b><span style="color:#000000">compare_string</span></b><span style="color:#990000">(</span><b><span style="color:#0000FF">const</span></b> <span style="color:#009900">char</span> <span style="color:#990000">*</span>theStr1<span style="color:#990000">,</span> <b><span style="color:#0000FF">const</span></b> <span style="color:#009900">char</span> <span style="color:#990000">*</span>theStr2<span style="color:#990000">)</span> <span style="color:#FF0000">{</span>
<i><span style="color:#9A1900">// while *theStr1 is not NULL terminator</span></i>
<i><span style="color:#9A1900">// and the current corresponding bytes are equal</span></i>
<b><span style="color:#0000FF">while</span></b> <span style="color:#990000">(</span> <span style="color:#990000">(*</span>theStr1 <span style="color:#990000">!=</span> <span style="color:#993399">0</span><span style="color:#990000">)</span>
<span style="color:#990000">&&</span> <span style="color:#990000">(*</span>theStr1 <span style="color:#990000">==</span> <span style="color:#990000">*</span>theStr2<span style="color:#990000">)</span> <span style="color:#990000">)</span> <span style="color:#FF0000">{</span>
theStr1<span style="color:#990000">++;</span> <i><span style="color:#9A1900">// increment the pointers to</span></i>
theStr2<span style="color:#990000">++;</span> <i><span style="color:#9A1900">// the next char / byte</span></i>
<span style="color:#FF0000">}</span>
<b><span style="color:#0000FF">return</span></b> <span style="color:#990000">(*</span>theStr1<span style="color:#990000">==*</span>theStr2<span style="color:#990000">);</span>
<span style="color:#FF0000">}</span>
<span style="color:#009900">int</span> <b><span style="color:#000000">main</span></b><span style="color:#990000">()</span> <span style="color:#FF0000">{</span>
<span style="color:#008080">string</span> theValue1<span style="color:#990000">,</span> theValue2<span style="color:#990000">;</span>
cout <span style="color:#990000"><<</span> <span style="color:#FF0000">"Enter string 1: "</span> <span style="color:#990000"><<</span> endl<span style="color:#990000">;</span>
cin <span style="color:#990000">>></span> theValue1<span style="color:#990000">;</span>
cout <span style="color:#990000"><<</span> <span style="color:#FF0000">"Enter string 2: "</span> <span style="color:#990000"><<</span> endl<span style="color:#990000">;</span>
cin <span style="color:#990000">>></span> theValue2<span style="color:#990000">;</span>
<span style="color:#009900">bool</span> theResult <span style="color:#990000">=</span> <b><span style="color:#000000">compare_string</span></b><span style="color:#990000">(</span>theValue1<span style="color:#990000">.</span><b><span style="color:#000000">c_str</span></b><span style="color:#990000">(),</span> theValue2<span style="color:#990000">.</span><b><span style="color:#000000">c_str</span></b><span style="color:#990000">());</span>
cout <span style="color:#990000"><<</span> <span style="color:#FF0000">"The result is: "</span> <span style="color:#990000"><<</span> theResult <span style="color:#990000"><<</span> endl<span style="color:#990000">;</span>
<b><span style="color:#0000FF">return</span></b> <span style="color:#993399">0</span><span style="color:#990000">;</span>
<span style="color:#FF0000">}</span>
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