Respuesta :
A constant pointer to constant data method should be used to pass an array to a function that does not modify the array.
The data that the pointer points to is fixed and immutable. The pointer itself is fixed; it cannot move or point in a different direction.
What is constant pointer to constant data?
- A constant pointer to constant is a pointer that is incapable of changing the address it points to or the value stored there.
- Const type of pointer>* name of pointer> is the definition of a pointer to a constant. Let's look at a brief example of a pointer to a constant in code: #includestdio.h> int main(void) int var1 = 0; const int* ptr = &var1; *ptr = 1; printf("%dn", *p.
- Anytime an array name appears in an expression, it is automatically transformed into a pointer to the array's first element.
- Since array in the example above is of the integer type, it is referred to as a "constant pointer to int."
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