fb_io_off
DPRINTF("offset: %llu\t", fbuf->fb_io_off);
fbuf->fb_io_off, &ffi);
DPRINTF("offset: %llu\t", fbuf->fb_io_off);
fbuf->fb_io_off, &ffi);
DPRINTF("offset: %llu\t", fbuf->fb_io_off);
fbuf->fb_io_len, fbuf->fb_io_off, &ffi);
fbuf->fb_io_off = uio->uio_offset;
fbuf->fb_io_off = uio->uio_offset;
fbuf->fb_io_off = uio->uio_offset;
fbuf->fb_io_off = uio->uio_offset;