Function pointer is used to store the address of a function, we can call the function later through this function pointer. This is a useful process because for any particular work like drawing a line we have to write a huge code. Instead of that we can call a function through function pointer. Syntax: Example: […]
Pointer to an array points to the 0th element of the array instead of pointing to the individual elements it point to the whole array. In case of pointer to an array we are creating a pointer variable defining the number of integer that is basically used to group or is generally used to mention the number of elements per row of an a array.
When an array is declared in a c program actually a pointer is declared unknowingly. If we declare an array int a[5]. Basically, we are declaring a pointer ‘a’ that points to the first element of the array. It is carrying the base address (address of a[0]) of the array. So, we can say that
We need to specify the type of the data whose address a pointer will hold, though all pointers are similar as they hold the addresses. The amount of space required by a pointer to store the address depends on the machine whether it is 32 bit or 64 bit. Suppose we have a pointer named
Why it is not possible to store an integer address in a float pointer in C? Read More »
Pointers are used to store the address of other variables of similar datatype. But if you want to store the address of a pointer variable, then you again need a pointer to store it. Thus, when one pointer variable stores the address of another pointer variable, it is known as Pointer to Pointer variable or Double Pointer. [ Pointer2(address of
