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    1 <html>
    2 <head>
    3 <title>pcre_jit_stack_alloc specification</title>
    4 </head>
    5 <body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
    6 <h1>pcre_jit_stack_alloc man page</h1>
    7 <p>
    8 Return to the <a href="index.html">PCRE index page</a>.
    9 </p>
   10 <p>
   11 This page is part of the PCRE HTML documentation. It was generated automatically
   12 from the original man page. If there is any nonsense in it, please consult the
   13 man page, in case the conversion went wrong.
   14 <br>
   15 <br><b>
   16 SYNOPSIS
   17 </b><br>
   18 <P>
   19 <b>#include &#60;pcre.h&#62;</b>
   20 </P>
   21 <P>
   22 <b>pcre_jit_stack *pcre_jit_stack_alloc(int <i>startsize</i>,</b>
   23 <b>     int <i>maxsize</i>);</b>
   24 <br>
   25 <br>
   26 <b>pcre16_jit_stack *pcre16_jit_stack_alloc(int <i>startsize</i>,</b>
   27 <b>     int <i>maxsize</i>);</b>
   28 <br>
   29 <br>
   30 <b>pcre32_jit_stack *pcre32_jit_stack_alloc(int <i>startsize</i>,</b>
   31 <b>     int <i>maxsize</i>);</b>
   32 </P>
   33 <br><b>
   34 DESCRIPTION
   35 </b><br>
   36 <P>
   37 This function is used to create a stack for use by the code compiled by the JIT
   38 optimization of <b>pcre[16|32]_study()</b>. The arguments are a starting size for
   39 the stack, and a maximum size to which it is allowed to grow. The result can be
   40 passed to the JIT run-time code by <b>pcre[16|32]_assign_jit_stack()</b>, or that
   41 function can set up a callback for obtaining a stack. A maximum stack size of
   42 512K to 1M should be more than enough for any pattern. For more details, see
   43 the
   44 <a href="pcrejit.html"><b>pcrejit</b></a>
   45 page.
   46 </P>
   47 <P>
   48 There is a complete description of the PCRE native API in the
   49 <a href="pcreapi.html"><b>pcreapi</b></a>
   50 page and a description of the POSIX API in the
   51 <a href="pcreposix.html"><b>pcreposix</b></a>
   52 page.
   53 <p>
   54 Return to the <a href="index.html">PCRE index page</a>.
   55 </p>