Function zstd_sys::ZSTD_flushStream

pub unsafe extern "C" fn ZSTD_flushStream(
    zcs: *mut ZSTD_CStream, 
    output: *mut ZSTD_outBuffer
) -> usize

Equivalent to ZSTD_compressStream2(zcs, output, &emptyInput, ZSTD_e_flush).