I need to check the connectivity of a host over a local network using C program, I do not wish to use system commands such as ping.
To check my ethernet I used gethostbyname() which depends on DNS server to resolving IP as per my knowledge.
I am building a simple c program to check my ethernet functionality where the connection is pair to pair and I have assigned the IP statically on both the devices.
Is there any C library such as netdb.h available, which I can use to validate simple ethernet functionality.
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Why bother with DNS? Why not just ping? – Mawg says reinstate Monica Feb 14 '19 at 15:22
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I do not wish to use system default commands(customized rootfs-commands removed), rather I would like to create a custom application similar to ping. – Abhinandan Tantri Feb 15 '19 at 9:11
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Life is too short to go reinveting the wheel. Don't you have other stuff to do? Reuse as much as you can, up to 90% of your app, if you can, and concentrate on the stuff which is new & unique to your app. – Mawg says reinstate Monica Feb 16 '19 at 16:23
