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    strcspn    [C++ Reference]
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<h2><a name="strcspn" id="strcspn">strcspn</a></h2>
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<p>
Syntax:
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<pre class="c code c++" style="font-family:monospace;">    <span class="co2">#include &lt;cstring&gt;</span>
    size_t strcspn<span class="br0">&#40;</span> <span class="kw4">const</span> <span class="kw4">char</span> <span class="sy0">*</span>str1<span class="sy0">,</span> <span class="kw4">const</span> <span class="kw4">char</span> <span class="sy0">*</span>str2 <span class="br0">&#41;</span><span class="sy0">;</span></pre>
<p>

The function strcspn() returns the index of the first character in str1 that
matches any of the characters in str2.
</p>

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Related Topics: <a href="../../c/string/strpbrk.html" class="wikilink1" title="c:string:strpbrk">strpbrk</a>, <a href="../../c/string/strrchr.html" class="wikilink1" title="c:string:strrchr">strrchr</a>, <a href="../../c/string/strstr.html" class="wikilink1" title="c:string:strstr">strstr</a>, <a href="../../c/string/strtok.html" class="wikilink1" title="c:string:strtok">strtok</a>
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