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I'm trying to compile this source code http://nrg.cs.ucl.ac.uk/mptcp/mptcp_userland_0.1.tar.gz and I'm getting unknown type name 'u8' among other types (u_int, u_char, u_long....etc)

I have Ubuntu 12.04 LTS and gcc version 4.6.3

How to solve this issue?

Thank you

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  • Have you installed the -dev and -dbg packages? – Kaz Wolfe Mar 20 '14 at 6:26
  • What are the exact name of these packages? – loo3y35 Mar 20 '14 at 6:33
  • I am not too sure, I assume the generic dev and dbg packages for gcc. – Kaz Wolfe Mar 21 '14 at 2:17
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I solved the issue by using typedef http://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html#The-typedef-Statement

I added this typedef unsigned u8; to the beginning of the files I had errors in

You can find the current known integer data types here http://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html#Integer-Types

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  • This is a seriously dangerous advice and will likely cause all kinds of disaster. u8 is supposed to be defined as a 8-bit unsigned integer. "unsigned" is just an unsigned int, which will likely be 32 or 64 bits depending on your architecture. – Morgan Nov 19 '19 at 7:48

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