Web Reference: Function pointers let you decide which function to run while the program is running, or when you want to pass a function as an argument to another function. Think of it like saving a phone number - the pointer knows where the function lives in memory, so you can "call" it later. What is Function Pointer in C? A pointer in C is a variable that stores the address of another variable. Similarly, a variable that stores the address of a function is called a function pointer or a pointer to a function. Function pointers can be useful when you want to call a function dynamically. Nov 14, 2025 · One of the most useful applications of function pointers is passing functions as arguments to other functions. This allows you to specify which function to call at runtime.
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