Function LZ4F_compressUpdate 

pub unsafe extern "C" fn LZ4F_compressUpdate(
    ctx: LZ4FCompressionContext,
    dstBuffer: *mut u8,
    dstMaxSize: usize,
    srcBuffer: *const u8,
    srcSize: usize,
    compressOptionsPtr: *const LZ4FCompressOptions,
) -> usize