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regexp.h

#ifndef _REGEXP_H
#define _REGEXP_H

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

#endif /* _REGEXP_H */

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