Introduction to Pointers
You're probably already familiar with the idea of pointers from your everyday experiences. Think about how your house has a unique address. When a house changes hands, it's essential to update the records to reflect the new owner's details. And if your family grows, it's crucial to add the new members to the address's associated records.
The property ownership records are constantly being updated. Some data is modified, some is deleted, while new details are added.
Dynamic Memory Allocation
In the C language, there are three types of memory allocation:
Static allocation happens at compile time. For instance, when the compiler sees you've declared an int variable, it allocates 4 bytes for it.
Automatic memory allocation takes place within functions, particularly when variables are declared inside these functions.
Dynamic memory allocation stands out because memory is assigned not at the compilation stage but during the actual running of your program.
Dynamic memory allocation gives the programmer full control, as they oversee both the allocation and deallocation of memory. This approach allows a programmer to significantly optimize the performance of a program, with pointers playing a pivotal role in this process.
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You're probably already familiar with the idea of pointers from your everyday experiences. Think about how your house has a unique address. When a house changes hands, it's essential to update the records to reflect the new owner's details. And if your family grows, it's crucial to add the new members to the address's associated records.
The property ownership records are constantly being updated. Some data is modified, some is deleted, while new details are added.
Dynamic Memory Allocation
In the C language, there are three types of memory allocation:
Static allocation happens at compile time. For instance, when the compiler sees you've declared an int variable, it allocates 4 bytes for it.
Automatic memory allocation takes place within functions, particularly when variables are declared inside these functions.
Dynamic memory allocation stands out because memory is assigned not at the compilation stage but during the actual running of your program.
Dynamic memory allocation gives the programmer full control, as they oversee both the allocation and deallocation of memory. This approach allows a programmer to significantly optimize the performance of a program, with pointers playing a pivotal role in this process.
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