1 int main(void)2main(void) { 3 int x; 4 5 x = !0; 6 printf("!0 is %d\n", x); 7 x = !!0; 8 printf("!!0 is %d\n", x); 9 x = !!1; 10 printf("!!1 is %d\n", x); 11 x = !!127; 12 printf("!!127 is %d\n", x); 13 x = !(9 - 4); 14 printf("!(9 - 4) is %d\n", x); 15 { 16 int i = 99999; 17 x = !!!!!i++; 18 printf("!!!!!i++ (where i = 99999) is %d\n", x); 19 } 20 return 0; 21 } 22 23