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//
// regex.h
//
// Regular expression library
//
// Ported to sanos by Michael Ringgaard.
//
// Copyright 1992, 1993, 1994, 1997 Henry Spencer. All rights reserved.
// This software is not subject to any license of the American Telephone
// and Telegraph Company or of the Regents of the University of California.
//
// Permission is granted to anyone to use this software for any purpose on
// any computer system, and to alter it and redistribute it, subject
// to the following restrictions:
//
// 1. The author is not responsible for the consequences of use of this
// software, no matter how awful, even if they arise from flaws in it.
//
// 2. The origin of this software must not be misrepresented, either by
// explicit claim or by omission. Since few users ever read sources,
// credits must appear in the documentation.
//
// 3. Altered versions must be plainly marked as such, and must not be
// misrepresented as being the original software. Since few users
// ever read sources, credits must appear in the documentation.
//
// 4. This notice may not be removed or altered.
//
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef REGEX_H
#define REGEX_H
#include <sys/types.h>
typedef off_t regoff_t;
typedef struct {
int re_magic;
size_t re_nsub; // number of parenthesized subexpressions
const char *re_endp; // end pointer for REG_PEND
struct re_guts *re_g; // none of your business :-)
} regex_t;
typedef struct {
regoff_t rm_so; // start of match
regoff_t rm_eo; // end of match
} regmatch_t;
#define REG_BASIC 0000
#define REG_EXTENDED 0001
#define REG_ICASE 0002
#define REG_NOSUB 0004
#define REG_NEWLINE 0010
#define REG_NOSPEC 0020
#define REG_PEND 0040
#define REG_DUMP 0200
#define REG_NOTBOL 00001
#define REG_NOTEOL 00002
#define REG_STARTEND 00004
#define REG_TRACE 00400 // tracing of execution
#define REG_LARGE 01000 // force large representation
#define REG_BACKR 02000 // force use of backref code
#define REG_OKAY 0
#define REG_NOMATCH 1
#define REG_BADPAT 2
#define REG_ECOLLATE 3
#define REG_ECTYPE 4
#define REG_EESCAPE 5
#define REG_ESUBREG 6
#define REG_EBRACK 7
#define REG_EPAREN 8
#define REG_EBRACE 9
#define REG_BADBR 10
#define REG_ERANGE 11
#define REG_ESPACE 12
#define REG_BADRPT 13
#define REG_EMPTY 14
#define REG_ASSERT 15
#define REG_INVARG 16
#define REG_ATOI 255 // convert name to number (!)
#define REG_ITOA 0400 // convert number to name (!)
//
// regexp routines
//
#ifdef __cplusplus
extern "C" {
#endif
int regcomp(regex_t *preg, const char *pattern, int cflags);
int regexec(const regex_t *preg, const char *string, size_t nmatch, regmatch_t pmatch[], int eflags);
size_t regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size);
void regfree(regex_t *preg);
#ifdef __cplusplus
}
#endif
#endif