3 ms·
I'm reminded of Duff's Device http://en.wikipedia.org/wiki/Duff%27s_device http://en.wikipedia.org/wiki/Duff%27s_device send(to, from, count) register shor
by ivankirigin 19y ago
I'm reminded of Duff's Device
http://en.wikipedia.org/wiki/Duff%27s_device http://en.wikipedia.org/wiki/Duff%27s_device
send(to, from, count)
register short *to, *from;
register count;
{
register n = (count + 7) / 8;
switch (count % 8) {
case 0: do { *to = *from++;
case 7: *to = *from++;
case 6: *to = *from++;
case 5: *to = *from++;
case 4: *to = *from++;
case 3: *to = *from++;
case 2: *to = *from++;
case 1: *to = *from++;
} while (--n > 0);
}
}