I hear this question frequently. On the surface, it sounds straightforward. Of course, the answer isn’t going to be one fixed value, at least not across all three languages. In both C and C++, the actual number of bytes occupied …
Read moreWhy doesn’t C++ support variable length arrays (VLAs)?
I am often asked questions about why a particular feature, present in standard C, hasn’t become part of the C++ standard. This time, I’ll discuss why C++ (as of the C++17 standard) doesn’t include the variable length arrays (VLAs) feature that …
Read moreDeath of the register keyword may be greatly exaggerated
The register keyword is often swept to the sidelines in C and C++ courses, books, and articles, because it’s considered by many these days to be obsolete. While there are reasons for this belief, reports of the death of the …
Read moreIs “C/C++” a thing?
I frequently see people using the term “C/C++” as if it were referring to one language. Part of the confusion that might lead to writing this, and the confusion that can be generated when reading it, is related to the …
Read moreWhat’s the difference between _Bool and bool in C?
In the C programming language, _Bool is a keyword that has been officially part of the the language starting with the C99 standard. When you use _Bool as a data type, you don’t have to including anything special — it’s …
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