usr/src/include/regex.h

/*-
 * Copyright (c) 1992 Henry Spencer.
 * Copyright (c) 1992, 1993
 *      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     8.2 (Berkeley) %G%
 */

#ifndef _REGEX_H_
#define _REGEX_H_

#include <sys/cdefs.h>

/* types */
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;

/* regcomp() flags */
#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

/* regerror() flags */
#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 (!) */

/* regexec() flags */
#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 */

__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_ */