remove prototypes of unimplemented ag callback functions

diff --git a/lib/cgraph/cghdr.h b/lib/cgraph/cghdr.h
index 561418bc24fb3bc212ca49242a1bf36ba20036fd..4dc9208c05adff8c97e1e4661c7959b838a146ee 100644 (file)
--- a/lib/cgraph/cghdr.h
+++ b/lib/cgraph/cghdr.h
@@ -138,8 +138,6 @@ void agmethod_upd(Agraph_t * g, void *obj, Agsym_t * sym);
 void agmethod_delete(Agraph_t * g, void *obj);
 
 typedef enum { CB_INITIALIZE, CB_UPDATE, CB_DELETION, } cb_t;
-void agsyspushdisc(Agraph_t * g, Agcbdisc_t * cb, void *state, int stack);
-int agsyspopdisc(Agraph_t * g, Agcbdisc_t * cb, int stack);
 void agrecord_callback(Agraph_t * g, Agobj_t * obj, cb_t kind,
                       Agsym_t * optsym);
 void aginitcb(Agraph_t * g, void *obj, Agcbstack_t * disc);