pub unsafe extern "C" fn btck_block_read(
chainstate_manager: *const btck_ChainstateManager,
block_tree_entry: *const btck_BlockTreeEntry,
) -> *mut btck_Blockpub unsafe extern "C" fn btck_block_read(
chainstate_manager: *const btck_ChainstateManager,
block_tree_entry: *const btck_BlockTreeEntry,
) -> *mut btck_Block