pub unsafe extern "C" fn zxio_seek(
io: *mut zxio_t,
start: zxio_seek_origin_t,
offset: i64,
out_offset: *mut usize,
) -> zx_status_tpub unsafe extern "C" fn zxio_seek(
io: *mut zxio_t,
start: zxio_seek_origin_t,
offset: i64,
out_offset: *mut usize,
) -> zx_status_t