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/*
* Definitions etc. for regexp(3) routines.
*
* Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
* not the System V one.
*/
#ifndef REGEXP_DWA20011023_H
# define REGEXP_DWA20011023_H

#define NSUBEXP 20
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;

regexp *regcomp( char *exp );
int regexec( regexp *prog, char *string );
void regerror( char *s );
void regsub(regexp *prog, char *source, char *dest);

/*
* 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
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