twiddle
twiddle(1);
twiddle(1);
twiddle(1);
twiddle(16);
twiddle(4);
twiddle(16);
twiddle(8);
extern void twiddle(uint_t callerdiv);
twiddle(32);
twiddle(1);
twiddle(1);
twiddle(8);
twiddle(4);
twiddle(4);
twiddle(1);
twiddle(1);
twiddle(4);
extern void twiddle P((void));
if (t == IP) twiddle();