*** orig_buff.h	Tue Aug 21 17:45:34 2001
--- spidercache_buff.h	Tue Aug 21 17:45:35 2001
***************
*** 129,134 ****
--- 129,138 ----
      Sfio_t *sf_in;
      Sfio_t *sf_out;
  #endif
+ 
+     void *callback_data;
+     void (*filter_callback)(BUFF *, const void *, int );
+ 	
  };
  
  #ifdef B_SFIO