1#pragma once
2
3#ifdef __cplusplus
4extern "C" {
5#endif
6
7#include <features.h>
8
9#define __NEED_regoff_t
10#define __NEED_size_t
11
12#include <bits/alltypes.h>
13
14typedef struct re_pattern_buffer {
15    size_t re_nsub;
16    void *__opaque, *__padding[4];
17    size_t __nsub2;
18    char __padding2;
19} regex_t;
20
21typedef struct {
22    regoff_t rm_so;
23    regoff_t rm_eo;
24} regmatch_t;
25
26#define REG_EXTENDED 1
27#define REG_ICASE 2
28#define REG_NEWLINE 4
29#define REG_NOSUB 8
30
31#define REG_NOTBOL 1
32#define REG_NOTEOL 2
33
34#define REG_OK 0
35#define REG_NOMATCH 1
36#define REG_BADPAT 2
37#define REG_ECOLLATE 3
38#define REG_ECTYPE 4
39#define REG_EESCAPE 5
40#define REG_ESUBREG 6
41#define REG_EBRACK 7
42#define REG_EPAREN 8
43#define REG_EBRACE 9
44#define REG_BADBR 10
45#define REG_ERANGE 11
46#define REG_ESPACE 12
47#define REG_BADRPT 13
48
49#define REG_ENOSYS -1
50
51int regcomp(regex_t* __restrict, const char* __restrict, int);
52int regexec(const regex_t* __restrict, const char* __restrict, size_t, regmatch_t* __restrict, int);
53void regfree(regex_t*);
54
55size_t regerror(int, const regex_t* __restrict, char* __restrict, size_t);
56
57#ifdef __cplusplus
58}
59#endif
60