APS_RET
buf[APS_RET] = 0x01;
if (iobuf[APS_RET] != 0 || cr < 1 || cr > 5) {
if (iobuf[APS_RET] != 0 ||iobuf[APS_ARG3] != 0)
if (iobuf[APS_RET] != 0)