文件操作 - pcre2_match_data_create.html

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<title>pcre2_match_data_create specification</title>
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<h1>pcre2_match_data_create man page</h1>

Return to the <a href="index.html">PCRE2 index page</a>.


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.
 
 
SYNOPSIS
 

#include &#60;pcre2.h&#62;


pcre2_match_data *pcre2_match_data_create(uint32_t ovecsize,
 pcre2_general_context *gcontext);

 
DESCRIPTION
 

This function creates a new match data block, which is used for holding the
result of a match. The first argument specifies the number of pairs of offsets
that are required. These form the "output vector" (ovector) within the match
data block, and are used to identify the matched string and any captured
substrings. There is always one pair of offsets; if ovecsize is zero, it
is treated as one.


The second argument points to a general context, for custom memory management,
or is NULL for system memory management. The result of the function is NULL if
the memory for the block could not be obtained.


There is a complete description of the PCRE2 native API in the
<a href="pcre2api.html">pcre2api</a>
page and a description of the POSIX API in the
<a href="pcre2posix.html">pcre2posix</a>
page.

Return to the <a href="index.html">PCRE2 index page</a>.

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