Web Reference: Nov 14, 2025 · For example, "int *ptr;" declares a pointer to an integer. Accessing the pointer directly will just give us the address that is stored in the pointer. To get the value at the address stored in a pointer variable, we use * operator which is call dereferencing operator in C Note that we use * for two different purposes in pointers. In this tutorial, you'll learn about pointers; what pointers are, how do you use them and the common mistakes you might face when working with them with the help of examples. To use the pointers in C language, you need to declare a pointer variable, then initialize it with the address of another variable, and then you can use it by dereferencing to get and change the value of the variables pointed by the pointer.
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