usr/src/include/regex.h

/*-
 * Copyright (c) 1992 Henry Spencer.
 * Copyright (c) 1992 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Henry Spencer of the University of Toronto.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)regex.h     5.2 (Berkeley) %G%
 */

#ifndef _REGEX_H_
#define _REGEX_H_

/* types */
typedef off_t regoff_t;

typedef struct {
        int re_magic;
        size_t re_nsub;         /* number of parenthesized subexpressions */
        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;

/* regcomp() flags */
#define REG_EXTENDED    001
#define REG_ICASE       002
#define REG_NOSUB       004
#define REG_NEWLINE     010

/* regexec() flags */
#define REG_NOTBOL      00001
#define REG_NOTEOL      00002
#define REG_STARTEND    00004
#define REG_TRACE       00400   /* debugging tracing */
#define REG_LARGE       01000   /* force large state model for debug */
#define REG_BACKR       02000

/* errors */
#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)    /* empty component */
#define REG_ASSERT      (15)    /* assertion failure */

#include <sys/cdefs.h>

__BEGIN_DECLS
int     regcomp __P((regex_t *, const char *, int));
size_t  regerror __P((int, const regex_t *, char *, size_t));
int     regexec __P((const regex_t *,
            const char *, size_t, regmatch_t [], int));
void    regfree __P((regex_t *));
__END_DECLS

#endif /* !_REGEX_H_ */