AMD Internship interview questions

What will be the output of the following code snippet? #define MACROFUN(type) (char *)(&type + 1) - (char *)(&type) int main() { double x = 12.5; int y = 12; double z = x + y; printf("%d\n", MACROFUN(x)); printf("%d\n", MACROFUN(y)); printf("%d\n", MACROFUN(z)); return 0; }