Question

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Difference between using character pointers and character arrays

What’s the difference between:

const char* myVar = "Hello World!";
const char  myVar[] = "Hello World!";

If there is one?

Answer 1

The pointer can be reassigned, the array cannot.

const char* ptr = "Hello World!";
const char  arr[] = "Hello World!";

ptr = "Goodbye"; // okay
arr = "Goodbye"; // illegal

Also, as others have said:

sizeof(ptr) == size of a pointer, usually 4 or 8
sizeof(arr) == number of characters + 1 for null terminator