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Initial revision

/*	$OpenBSD: regexp.h,v 1.1 1996/09/07 21:40:27 downsj Exp $	*/
/* vi:set ts=4 sw=4:
 * NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE
 *
 * This is NOT the original regular expression code as written by
 * Henry Spencer. This code has been modified specifically for use
 * with the VIM editor, and should not be used apart from compiling
 * VIM. If you want a good regular expression library, get the
 * original code.
 *
 * NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE
 *
 * Definitions etc. for regexp(3) routines.
 *
 * Caveat:	this is V8 regexp(3) [actually, a reimplementation thereof],
 * not the System V one.
 */

#ifndef _REGEXP_H
#define _REGEXP_H

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

/*
 * The first byte of the regexp internal "program" is actually this magic
 * number; the start node begins in the second byte.
 */

#define MAGIC	0234

#endif	/* _REGEXP_H */