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Top Forums Shell Programming and Scripting problem with setting environment variable Post 302575939 by CarloM on Wednesday 23rd of November 2011 09:17:27 AM
Old 11-23-2011
In C I would use setenv, there should be a C++ equivalent.
 

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MCSENDER(8)						      System Manager's Manual						       MCSENDER(8)

NAME
mcsender - Multicast test tool to send multicast test packets SYNOPSIS
mcsender [-t<ttl>] [-i<interface>] ip:port DESCRIPTION
mcsender sends multicast packets to the specified IPv4 or IPv6 multicast address and port. The packets sent contain the string "this is the test message from mclab/mcsender ". OPTIONS
-t<ttl> Set the TTL (or hop limit for IPv6) to the specified value. -i<interface> Specify the interface to use for outgoing multicast datagrams. EXAMPLES
To send datagrams to IPv4 multicast address 239.1.1.1 and port 12345 with a TTL of 3: $ mcsender -t3 239.1.1.1:12345 To send datagrams to IPv4 multicast address 239.1.1.1 and port 12345 with a TTL of 3 out of interface eth1: $ mcsender -ieth1 -t3 239.1.1.1:12345 To send datagrams to IPv6 multicast address ff15::1 and port 12345 with a hop limit of 3: $ mcsender -t3 ff15::1:12345 To send datagrams to IPv6 multicast address ff15::1 and port 12345 with a hop limit of 3 out of interface eth1: $ mcsender -ieth1 -t3 ff15::1:12345 AUTHOR
mcsender was written by Carsten Schill <carsten@cschill.de>. Support for IPv6 was added by Todd Hayton <todd.hayton@gmail.com>. This manual page was written by Julien BLACHE <jblache@debian.org>, for the Debian project (but may be used by others). August 08, 2011 MCSENDER(8)
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