Blockno
uint64 Blockno()
uint64 Blockno();
virtual uint64 Blockno() = 0;
uint64 Blockno();
uint64 Blockno();
virtual uint64 Blockno() = 0;
uint64 Blockno();
virtual uint64 Blockno() = 0;
uint64 Blockno();
uint64 Blockno();
virtual uint64 Blockno() = 0;
uint64 Blockno();
uint64 Blockno();
uint64 Blockno()
if (actualBlockToRead != header->Blockno()) {