/* regexp.h - Definitions etc. for regexp(3) routines. */

#ifndef __REGEXP_H
#define __REGEXP_H

/*
 * This is Henry Spencer's code.
 * Caveat:  this is V8 regexp(3) [actually, a reimplementation thereof],
 * not the System V one.
 */

/*
 * -DCHARMASK=0377       compilers without unsigned char (ok on those with it)
 */
#define CHARMASK 0377

#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;

/*
 * 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 */