Please provide explanation

Prove explanation #include int func (int val); int x = 34 extern int z; static int doubleIt (int val) {return 2*val;} int main(){int y; y = func(x); int *a = &y; int b = doubleIt (z); printf("%d ", b); return 0;} Calls to which functions in the code above will need relocation during linking? doublelt and func only printf only doublelt, func and printf func and printf only func only