pub unsafe extern "C" fn xdl_rabdiff_mb(
mmb1: *mut mmbuffer_t,
mmb2: *mut mmbuffer_t,
ecb: *mut xdemitcb_t,
) -> c_intpub unsafe extern "C" fn xdl_rabdiff_mb(
mmb1: *mut mmbuffer_t,
mmb2: *mut mmbuffer_t,
ecb: *mut xdemitcb_t,
) -> c_int