What is a pointer in C?

 In C, a pointer is a variable that stores the memory address of another variable. It allows you to indirectly access the value stored in a particular memory location. Pointers are a powerful feature in C and are commonly used for tasks such as dynamic memory

allocation, passing functions as arguments, and building complex data structures.

You can declare a pointer using the asterisk (*) symbol. For example:

int main() {

    int x = 10;

    int *ptr;   // Declaring a pointer to an integer

    

    ptr = &x;   // Assigning the address of 'x' to the pointer

    

    printf("Value of x: %d\n", *ptr);  // Dereferencing the pointer to get the value at the memory location

    

    return 0;

}

In this example, `ptr` is a pointer to an integer, and `&x` represents the address of the variable `x`. The `*ptr` syntax is used to access the value stored at the memory location pointed to by `ptr`.