Miscellany

voidmemcpy (char *to, char *from, int count){  int 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);    }}