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<title>pcre2_set_callout specification</title>
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<h1>pcre2_set_callout man page</h1>
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<br><b>
SYNOPSIS
</b><br>
<P>
<b>#include <pcre2.h></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>
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<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.
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