bt_sp             338 libdb/btree.h  	t->bt_sp->pgno = p; 						\
bt_sp             339 libdb/btree.h  	t->bt_sp->index = i; 						\
bt_sp             340 libdb/btree.h  	++t->bt_sp;							\
bt_sp             342 libdb/btree.h  #define	BT_POP(t)	(t->bt_sp == t->bt_stack ? NULL : --t->bt_sp)
bt_sp             343 libdb/btree.h  #define	BT_CLR(t)	(t->bt_sp = t->bt_stack)
bt_sp             345 libdb/btree.h  	EPGNO	 *bt_sp;		/**< current stack pointer */