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<title>pcre_copy_substring specification</title>
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<h1>pcre_copy_substring man page</h1>
<p>
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<br>
<br><b>
SYNOPSIS
</b><br>
<P>
<b>#include <pcre.h></b>
</P>
<P>
<b>int pcre_copy_substring(const char *<i>subject</i>, int *<i>ovector</i>,</b>
<b> int <i>stringcount</i>, int <i>stringnumber</i>, char *<i>buffer</i>,</b>
<b> int <i>buffersize</i>);</b>
<br>
<br>
<b>int pcre16_copy_substring(PCRE_SPTR16 <i>subject</i>, int *<i>ovector</i>,</b>
<b> int <i>stringcount</i>, int <i>stringnumber</i>, PCRE_UCHAR16 *<i>buffer</i>,</b>
<b> int <i>buffersize</i>);</b>
<br>
<br>
<b>int pcre32_copy_substring(PCRE_SPTR32 <i>subject</i>, int *<i>ovector</i>,</b>
<b> int <i>stringcount</i>, int <i>stringnumber</i>, PCRE_UCHAR32 *<i>buffer</i>,</b>
<b> int <i>buffersize</i>);</b>
</P>
<br><b>
DESCRIPTION
</b><br>
<P>
This is a convenience function for extracting a captured substring into a given
buffer. The arguments are:
<pre>
<i>subject</i> Subject that has been successfully matched
<i>ovector</i> Offset vector that <b>pcre[16|32]_exec()</b> used
<i>stringcount</i> Value returned by <b>pcre[16|32]_exec()</b>
<i>stringnumber</i> Number of the required substring
<i>buffer</i> Buffer to receive the string
<i>buffersize</i> Size of buffer
</pre>
The yield is the length of the string, PCRE_ERROR_NOMEMORY if the buffer was
too small, or PCRE_ERROR_NOSUBSTRING if the string number is invalid.
</P>
<P>
There is a complete description of the PCRE native API in the
<a href="pcreapi.html"><b>pcreapi</b></a>
page and a description of the POSIX API in the
<a href="pcreposix.html"><b>pcreposix</b></a>
page.
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