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1 .TH PCRE_JIT_STACK_ALLOC 3 "21 January 2012" "PCRE 8.30"
2 .SH NAME
3 PCRE - Perl-compatible regular expressions
4 .SH SYNOPSIS
5 .rs
6 .sp
7 .B #include <pcre.h>
8 .PP
9 .SM
10 .B pcre_jit_stack *pcre_jit_stack_alloc(int \fIstartsize\fP,
11 .ti +5n
12 .B int \fImaxsize\fP);
13 .PP
14 .B pcre16_jit_stack *pcre16_jit_stack_alloc(int \fIstartsize\fP,
15 .ti +5n
16 .B int \fImaxsize\fP);
17 .
18 .SH DESCRIPTION
19 .rs
20 .sp
21 This function is used to create a stack for use by the code compiled by the JIT
22 optimization of \fBpcre[16]_study()\fP. The arguments are a starting size for
23 the stack, and a maximum size to which it is allowed to grow. The result can be
24 passed to the JIT run-time code by \fBpcre[16]_assign_jit_stack()\fP, or that
25 function can set up a callback for obtaining a stack. A maximum stack size of
26 512K to 1M should be more than enough for any pattern. For more details, see
27 the
28 .\" HREF
29 \fBpcrejit\fP
30 .\"
31 page.
32 .P
33 There is a complete description of the PCRE native API in the
34 .\" HREF
35 \fBpcreapi\fP
36 .\"
37 page and a description of the POSIX API in the
38 .\" HREF
39 \fBpcreposix\fP
40 .\"
41 page.

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