4 void duff(const char *str)
11 case 0: while (div--) {
13 case 7: putchar(*str++);
14 case 6: putchar(*str++);
15 case 5: putchar(*str++);
16 case 4: putchar(*str++);
17 case 3: putchar(*str++);
18 case 2: putchar(*str++);
19 case 1: putchar(*str++);
24 int main(int argc, char **argv)
26 duff("Hello, World\n");