Structures (or “structs” in C) allow you to group several related variables and treat them as one unit. They are a mechanism for extending the type system of the C language by introducing user-defined ...

If you did successfully program the chip you should recheck your hardware. Is the LED installed backwards, preventing it from lighting up? Take a trip to Google and start searching… this usually plays ...

Separating interface from implementation has many practical benefits. Here’s a simple way to do just that, in ANSI-standard C code. How do you organize medium-sized or larger C programs? Few C ...

Even with so many other system-level languages to choose from, C remains the popular choice. Many key projects—such as the Linux kernel and the Python runtime—still use C, and they will likely do so ...