doc/html/pcre2_substring_copy_byname.html


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<html>
<head>
<title>pcre2_substring_copy_byname specification</title>
</head>
<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
<h1>pcre2_substring_copy_byname 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_substring_copy_byname(pcre2_match_data *<i>match_data</i>,</b>
<b>  PCRE2_SPTR <i>name</i>, PCRE2_UCHAR *<i>buffer</i>, PCRE2_SIZE *<i>bufflen</i>);</b>
</P>
<br><b>
DESCRIPTION
</b><br>
<P>
This is a convenience function for extracting a captured substring, identified
by name, into a given buffer. The arguments are:
<pre>
  <i>match_data</i>    The match data block for the match
  <i>name</i>          Name of the required substring
  <i>buffer</i>        Buffer to receive the string
  <i>bufflen</i>       Length of buffer (code units)
</pre>
The <i>bufflen</i> variable is updated to contain the length of the extracted
string, excluding the trailing zero. The yield of the function is zero for
success, PCRE2_ERROR_NOMEMORY if the buffer is too small, or
PCRE2_ERROR_NOSUBSTRING if the string name is invalid.
</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>