what is the difference between *ptr and int * ptr

Question

pointers

Answer 1

When you do:

int* ptr;

You are declaring a pointer of type integer named ptr.

When you do:

*ptr;

You tell the program to point to the address stored in ptr.

E.g.

int x = 5;
int *ptr = &x; // ptr stores address of x.

cout << *ptr; // point to the address of x, and print the value.

Answer 2

@Fabian has also made legit points.

Answer 3

there is no difference between int* ptr and int *ptr. but consider you try to create two pointers in a line:
int *x, *y; // creates two int pointers
int* x, y; //creates an int pointer x but y is "just" an int.

Therefore int *x usually results in less errors.

Edit: reading the other reply I might have misunderstood your question.

Answer 4

thanks everyone for explaining it so clearly