func (b *Bitcask) Len() int {
c_key := C.CString("@")
defer C.free(unsafe.Pointer(c_key))
var cnt C.uint
C.bc_get_hash(b.bc, c_key, &cnt)
return int(cnt)
}
func (b *Bitcask) Hash() uint16 {
c_key := C.CString("@")
defer C.free(unsafe.Pointer(c_key))
return uint16(C.bc_get_hash(b.bc, c_key, (*C.uint)(nil)))
}