Same difference, the "MemoryAddress" was a wrapper class around a long that pointed to the underlying address You can see that a bit further down below when ".

Same difference, the "MemoryAddress" was a wrapper class around a long that pointed to the underlying address You can see that a bit further down below when ".toRawLongValue()" is called: long iovecs_ptr = fi.address().toRawLongValue() + file_info.sizeof(); liburing.io_uring_prep_readv(sqe_ptr, file_fd, MemoryAddress.ofLong(iovecs_ptr), blocks, 0); liburing.io_uring_sqe_set_data(sqe_ptr, fi.address()); int ret = liburing.io_uring_submit(ring_ptr);