Initialization from incompatible pointer type warning when assigning to a pointer

Question

GCC gives me an \'Initialization from incompatible pointer type\' warning when I use this code (though the code works fine and does what it\'s supposed to do, which is print

Answer 1

The output is the same because the address of arr[0] is literally equivalent to the pointer to arr[]. Any pointer initialized to point to arr[0] will have as its value the address of arr[0]; that's what a pointer is. Read up on pointer and especially on their relationship to arrays. The are countless tutorials out there, some of which probably show your two cases as examples.