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void Pointers Definition

Learn about void pointers, a key concept for implementing genericity in C.

Introduction

Up until this point, we’ve worked with various pointer types, such as:

  • Pointers to int
  • Pointers to float
  • Pointers to char
  • Pointers to custom data types, defined using structures

One limiting factor was that different pointer types are not often compatible. For example, an int pointer can’t usually point to a floating point number. This fact introduces an interesting problem. The problem is what happens when we want to write a function that doesn’t depend on the ...