Web Reference: Nov 14, 2025 · 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. One is to declare a pointer variable and the other is in an operator to get the value stored at address stored in pointer. Notes on Pointers Pointers are one of the things that make C stand out from other programming languages, like Python and Java. They are important in C, because they allow us to manipulate the data in the computer's memory. This can reduce the code and improve the performance. 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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