#include <db.h> int DB->get_heapsize(DB *db, u_int32_t *gbytesp, u_int32_t *bytesp);
Used when the underlying database is configured to use the Heap access method. This method returns the maximum size of the database's heap file. This value may be set using the DB->set_heapsize() method.
The DB->get_heapsize()
method may be called at any time during the
life of the application.
The DB->get_heapsize()
method returns a non-zero error value on failure and 0 on success.
The gbytesp parameter references memory into which is copied the maximum number of gigabytes in the heap.