Title: Hello,<p>I&#x27;ve recently been doing a lot of systems programming and low-level stuff. I&#x27;m hacking away on MIT&#x27;s xv6 kernel for my OS course. I want to improve my C skills, and want to learn the limits of what can be done with C, the preprocessor etc. I&#x27;d be really grateful if some one could direct me to resources that would help me out in this regard.<p>I want to basically learn how to write robust, readable and production-quality C which doesn&#x27;t crash to a segfault.<p>Also, is there a oft-used style guide for writing error-handling code in C?<p>Thank you.
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