1 static unsigned short
foo(unsigned char * x,int y)2 foo (unsigned char *x, int y)
3 {
4   unsigned short r = 0;
5   int i;
6   for (i = 0; i < y; i++)
7     r += x[i];
8   return r;
9 }
10 
11 int baz (int, unsigned short);
12 
13 void
bar(unsigned char * x,unsigned char * y)14 bar (unsigned char *x, unsigned char *y)
15 {
16   int i;
17   unsigned short key = foo (x, 0x10000);
18   baz (0, 0);
19   for (i = 0; i < 0x80000; i++)
20     y[i] = x[baz (i, key)];
21 }
22