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regexp.h

/*
 * Definitions etc. for regexp(3) routines.
 *
 * Caveat:  this is V8 regexp(3) [actually, a reimplementation thereof],
 * not the System V one.
 *
 * 11/04/02 (seiwald) - const-ing for string literals
 */

#define NSUBEXP  10
typedef struct regexp {
      const char *startp[NSUBEXP];
      const 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( const char *exp );
int regexec( regexp *prog, const char *string );
void regerror( const char *s );

/*
 * The first byte of the regexp internal "program" is actually this magic
 * number; the start node begins in the second byte.
 */
#define     MAGIC 0234

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