C

In C programming, call by reference allows a function to modify the actual arguments passed to it. Instead of passing a copy of the variable’s value, a function is provided …

In C, functions are an essential part of programming that allow code to be modular and reusable. When passing arguments to a function, the call by value mechanism is the …

Our collection of C tutorials on various subjects split into categories

The sizeof operator in C++ is used to determine the size, in bytes, of a data type or variable. It’s evaluated at compile-time and is extremely useful for memory management, …

In the C programming language, Booleans are a way to represent truth values, commonly used for conditional statements. C does not have a native bool data type in the original …

An array of pointers in C is an array where each element is a pointer, rather than a regular data type like int or char. This is especially useful for …

A pointer to pointer in C, often called a double pointer, is a pointer that holds the address of another pointer. This can be useful for managing dynamic memory allocation, …

Pointers in C are variables that store the memory addresses of other variables. They are powerful tools that allow you to directly manipulate memory, work with arrays and functions, and …

In C programming, preprocessor directives are instructions given to the compiler to process certain information before actual compilation begins. These directives allow you to include files, define constants and macros, …

Pointer arithmetic in C refers to the manipulation of pointers using arithmetic operations. It allows you to navigate through arrays and manipulate memory addresses. Pointer arithmetic operates on data types …