strncmp

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Nov 20, 2015, 11:56:57 AM11/20/15

to OMNeT++ Users

i'm working with inet framework, aodvRouting.cc .

can someone explain about the following code , what does it mean (specially about the numbers)?!

if (!strncmp(datagram->getName(), PING_DATA, 4)

|| !strncmp(datagram->getName(), UDP_DATA, 3)

|| !strncmp(datagram->getName(), TCP_DATA, 3))

please help me.

thanks

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