Pointers are a powerful feature in C and C++, but they come with risks that can lead to serious issues like NULL pointer crashes. By following these best practices—initializing pointers, checking for ...

This write-up will introduce structures and union s in C, how to declare and use them, and how union s can be (ab)used as an alternative approach for pointer and bitwise operations.

Once again, pointers are simply memory addresses, and to fully utilize this similarity, C provides the concept of function pointers.

For me, the four chapters that explain how to use pointers with functions, arrays, strings, and structures provide the most important information and examples for programmers and engineers. Chapter 7, ...

VTABLE and Pointers to Functions in C Even though it’s called a “table,” the VTABLE isn’t typically implemented in C as an array but rather as a struct of pointers to the virtual functions, such as ...

algorithms Undergraduate Upends a 40-Year-Old Data Science Conjecture A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than ...