HUF_initFastDStream
args->bits[0] = HUF_initFastDStream(args->ip[0]);
args->bits[1] = HUF_initFastDStream(args->ip[1]);
args->bits[2] = HUF_initFastDStream(args->ip[2]);
args->bits[3] = HUF_initFastDStream(args->ip[3]);