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/* $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 */
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