Copyright (c) 2002-2008 Marc Kirchner <mail(at)marc(dash)kirchner(dot)de> Modified by MushrooM93 tcping support ipv4/ipv6 dual-stack in linux, the operation is similar to ping but it does not use the ICMP protocol.
Install： $gcc tcping.c -o tcping $cp tcping /usr/bin/ $tcping -v6 ipv6.google.com 80
Usage: [-q] [-t timeout_sec] [-u timeout_usec] [-v4|6]