Which # file this block is stored in (blk?????.dat)
Declared in <chain.h>
[[guarded_by(0x7fd74ceab820), guarded_by(0x7fd75fd206f0), guarded_by(0x7fd761b87fb0), guarded_by(0x7fd75b062a30), guarded_by(0x7fd74c369d60), guarded_by(0x7fd7546873d0), guarded_by(0x7fd74c4111a0), guarded_by(0x7fd7590935f0), guarded_by(0x7fd7541c90a0), guarded_by(0x7fd75d7cb4f0), guarded_by(0x7fd74820e200)]]
int nFile = {0};