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Re: [lwip-users] using errno properly

From: Jonathan Larmour
Subject: Re: [lwip-users] using errno properly
Date: Sun, 15 Jun 2008 10:49:02 +0100
User-agent: Mozilla Thunderbird 1.0.8-1.1.fc3.4.legacy (X11/20060515)

Rishi Khan wrote:
Does anyone have an example of how to use errno correctly in lwip? When I do this, it gives me undefined reference to __errno:

My sys_arch.c has "#include <errno.h>" just like the unixsim port

Sounds like your OS's <errno.h> defines it to __errno, but does not provide it, or you ned to include an additional library in your link. It's not an lwIP issue.

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