pub unsafe extern "C" fn sg_get_disk_io_stats_diff_between(
cur: *const sg_disk_io_stats,
last: *const sg_disk_io_stats,
entries: *mut usize
) -> *mut sg_disk_io_stats
pub unsafe extern "C" fn sg_get_disk_io_stats_diff_between(
cur: *const sg_disk_io_stats,
last: *const sg_disk_io_stats,
entries: *mut usize
) -> *mut sg_disk_io_stats