Function mcl_transfer_exec 

pub unsafe extern "C" fn mcl_transfer_exec(
    t_hdl: *mut mcl_transfer,
    flags: u64,
) -> c_int

@brief Executes a transfer. Asychronously moves data

@param t_hdl transfer handle created by mcl_transfer_create @param flags Flags to specify devices, same as mcl_exec @return int 0 is task successfully enqued