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- /* $Id$ */
- bcopy(old, new, n)
- register char *old, *new;
- register int n;
- {
- /* Copy a block of data. */
- if (old <= new && old + (n-1) >= new) {
- old += n; new += n;
- while (n-- > 0) *--new = *--old;
- }
- else while (n-- > 0) *new++ = *old++;
- }
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