/*_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
*                                                                          *
* regular_exp.h                                                            *
*                                                                          *
* Function:..Routine for TWEB                                              *
*                                                                          *
*                                                                          *
*                                                                          *
* Authors:...Dr. Kurt Spanier & Bernhard Winkler,                          *
*            Zentrum fuer Datenverarbeitung, Bereich Entwicklung           *
*            neuer Dienste, Universitaet Tuebingen, GERMANY                *
*                                                                          *
*                                       ZZZZZ  DDD    V   V                *
*            Creation date:                Z   D  D   V   V                *
*            January 20 1998              Z    D   D   V V                 *
*            Last modification:          Z     D  D    V V                 *
*            January 20 1998            ZZZZZ  DDD      V                  *
*                                                                          *
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_*/
/*
 * $Id: regular_exp.h,v 1.6 1999/09/10 15:01:19 zrnsk01 Exp $
 *
 */


#ifndef _REGULAR_EXP_
#define _REGULAR_EXP_

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

extern regexp *tweb_regcomp();
extern int tweb_regexec();
extern void tweb_regsub();
extern void tweb_regerror();
/*
 * 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 /* _REGULAR_EXP_ */