/****************************************************************
*
* Program countd: Elementary TCP server for teaching purpose, count
/****************************************************************
*
* Program countd: Elementary TCP server for teaching purpose, count
printf(" -h print this help\n");
printf(" -d write debug info\n");
printf(" -k enable SO_KEEPALIVE\n");
printf(" -h print this help\n");
printf(" -d write debug info\n");
printf(" -k enable SO_KEEPALIVE\n");