scc

 1int
 2main()
 3{
 4	int x;
 5	
 6	x = 0;
 7	while(1)
 8		break;
 9	while(1) {
10		if (x == 5) {
11			break;
12		}
13		x = x + 1;
14		continue;
15	}
16	for (;;) {
17		if (x == 10) {
18			break;
19		}
20		x = x + 1;
21		continue;
22	}
23	do {
24		if (x == 15) {
25			break;
26		}
27		x = x + 1;
28		continue;
29	} while(1);
30	return x - 15;
31}
32