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

#define CHARBITS 0377
#define NSUBEXP  10

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. */
};

extern	struct regexp *regcomp(char *exp);
extern	int regexec(struct regexp *prog,char *string,int bolflag);
extern	int regsub(struct regexp *prog,char *source,char *dest);
extern void regerror(char *str);