Function zstd_sys::ZSTDMT_getFrameProgression

pub unsafe extern "C" fn ZSTDMT_getFrameProgression(
    mtctx: *mut ZSTDMT_CCtx
) -> ZSTD_frameProgression

ZSTDMT_getFrameProgression(): tells how much data has been consumed (input) and produced (output) for current frame. able to count progression inside worker threads.