Function ZL_compress_usingGraphFn 

pub unsafe extern "C" fn ZL_compress_usingGraphFn(
    dst: *mut c_void,
    dstCapacity: usize,
    src: *const c_void,
    srcSize: usize,
    graphFunction: ZL_GraphFn,
) -> ZL_Report

@brief compresses using @param graphFunction that both defines a custom graph and sets global parameters.