unsafe fn buffer_seek_inner(
offset: readstat_off_t,
whence: readstat_io_flags_t,
io_ctx: *mut c_void,
) -> readstat_off_tunsafe fn buffer_seek_inner(
offset: readstat_off_t,
whence: readstat_io_flags_t,
io_ctx: *mut c_void,
) -> readstat_off_t