blob: f71a80913134f3c0be70496563b0506c54a2679d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
.\" Copyright (c) 2020-2022 by Alejandro Colomar <alx@kernel.org>
.\" and Copyright (c) 2020 by Michael Kerrisk <mtk.manpages@gmail.com>
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.\"
.TH regex_t 3type 2022-10-30 "Linux man-pages 6.03"
.SH NAME
regex_t, regmatch_t, regoff_t
\- regular expression matching
.SH LIBRARY
Standard C library
.RI ( libc )
.SH SYNOPSIS
.EX
.B #include <regex.h>
.PP
.B typedef struct {
.BR " size_t re_nsub;" " /* Number of parenthesized subexpressions */"
.B } regex_t;
.PP
.B typedef struct {
.BR " regoff_t rm_so;" " /* Byte offset from start of string"
to start of substring */
.BR " regoff_t rm_eo;" " /* Byte offset from start of string to"
the first character after the end of
substring */
.B } regmatch_t;
.PP
.BR typedef " /* ... */ " regoff_t;
.EE
.SH DESCRIPTION
.TP
.I regex_t
This is a structure type used in regular expression matching.
It holds a compiled regular expression,
compiled with
.BR regcomp (3).
.TP
.I regmatch_t
This is a structure type used in regular expression matching.
.TP
.I regoff_t
It is a signed integer type
capable of storing the largest value that can be stored in either an
.I ptrdiff_t
type or a
.I ssize_t
type.
.SH VERSIONS
Prior to POSIX.1-2008,
the type was
capable of storing the largest value that can be stored in either an
.I off_t
type or a
.I ssize_t
type.
.SH STANDARDS
POSIX.1-2001 and later.
.SH SEE ALSO
.BR regex (3)
|
