1 int
main(void)2 main(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