/*      $NetBSD: regexp.h,v 1.4 2023/10/06 05:49:49 simonb Exp $        */

/*
* Definitions etc. for regexp(3) routines.
*
* Caveat:  this is V8 regexp(3) [actually, a reimplementation thereof],
* not the System V one.
*/

#ifndef _REGEXP
#define _REGEXP 1

#define NSUBEXP  10
typedef struct regexp {
       char *startp[NSUBEXP];
       char *endp[NSUBEXP];
       char regstart;          /* Internal use only. */
       char reganch;           /* Internal use only. */
       char *regmust;          /* Internal use only. */
       int regmlen;            /* Internal use only. */
       char program[1];        /* Unwarranted chumminess with compiler. */
} regexp;

#if defined(__STDC__) || defined(__cplusplus)
#   define _ANSI_ARGS_(x)       x
#else
#   define _ANSI_ARGS_(x)       ()
#endif

extern regexp *regcomp _ANSI_ARGS_((char *exp));
extern int regexec _ANSI_ARGS_((regexp *prog, char *string));
extern int regexec2 _ANSI_ARGS_((regexp *prog, char *string, int notbol));
extern void regsub _ANSI_ARGS_((regexp *prog, char *source, char *dest));
extern void regerror _ANSI_ARGS_((char *msg));

#endif /* REGEXP */

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