How to use the volatile keyword in C?

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What is the volatile keyword in C, and how does it work?

Some of you for a video about "volatile"— a keyword that concerns and mystifies a lot of beginning programming students. I hope this video demystifies it for you, with some simple examples.

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Welcome! I post videos that help you learn to program and become a more confident software developer. I cover beginner-to-advanced systems topics ranging from network programming, threads, processes, operating systems, embedded systems and others. My goal is to help you get under-the-hood and better understand how computers work and how you can use them to become stronger students and more capable professional developers.


About me: I'm a computer scientist, electrical engineer, researcher, and teacher. I specialize in embedded systems, mobile computing, sensor networks, and the Internet of Things. I teach systems and networking courses at Clemson University, where I also lead the PERSIST research lab.

More about me and what I do:
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https://people.cs.clemson.edu/~jsorber/
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