}
}

/*
** Number of significant bits in a u32
*/
static int nbits(u32 x){
  int n = 0; 
  int n = 0;
  while( x ){ n++; x >>= 1; }
  return n;
}

/*
** Implemenation of the rank() function used with rank(matchinfo(*,'pcsx')).
*/

      }
      break;
    }
  }
}

/*
** This routine is a wrapper around search_stext().  
** This routine is a wrapper around search_stext().
**
** This routine looks up the search text, stores it in an internal
** buffer, and returns a pointer to the text.  Subsequent requests
** for the same document return the same pointer.  The returned pointer
** is valid until the next invocation of this routine.  Call this routine
** with an eType of 0 to clear the cache.
*/

      }
    }
  }
  if( iCmd==5 ){
    if( g.argc<4 ) usage("porter ON/OFF");
    db_set_int("search-stemmer", is_truth(g.argv[3]), 0);
  }
     


  /* destroy or rebuild the index, if requested */
  if( iAction>=1 ){
    search_drop_index();
  }
  if( iAction>=2 ){
    search_rebuild_index();