#ifndef _RTREE_UDI_I_ #define _RTREE_UDI_I_ #define NARGS 5 struct Control { int arg; void *pred; rtree_t tree; }; typedef struct Control control_t[NARGS]; struct CallbackM { clause_list_t cl; void * pred; }; typedef struct CallbackM * callback_m_t; #endif /* _RTREE_UDI_I_ */