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<title>pcre2_set_callout specification</title>
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<h1>pcre2_set_callout man page</h1>
<p>
Return to the <a href="index.html">PCRE2 index page</a>.
</p>
<p>
This page is part of the PCRE2 HTML documentation. It was generated
automatically from the original man page. If there is any nonsense in it,
please consult the man page, in case the conversion went wrong.
<br>
<br><b>
SYNOPSIS
</b><br>
<P>
<b>#include &#60;pcre2.h&#62;</b>
</P>
<P>
<b>int pcre2_set_callout(pcre2_match_context *<i>mcontext</i>,</b>
<b>  int (*<i>callout_function</i>)(pcre2_callout_block *),</b>
<b>  void *<i>callout_data</i>);</b>
</P>
<br><b>
DESCRIPTION
</b><br>
<P>
This function sets the callout fields in a match context (the first argument).
The second argument specifies a callout function, and the third argument is an
opaque data item that is passed to it. The result of this function is always
zero.
</P>
<P>
There is a complete description of the PCRE2 native API in the
<a href="pcre2api.html"><b>pcre2api</b></a>
page and a description of the POSIX API in the
<a href="pcre2posix.html"><b>pcre2posix</b></a>
page.
<p>
Return to the <a href="index.html">PCRE2 index page</a>.
</p>