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- /* Public domain. */
- #include <stddef.h>
- void *
- memmove (void *dest, const void *src, size_t len)
- {
- char *d = dest;
- const char *s = src;
- if (d < s)
- while (len--)
- *d++ = *s++;
- else
- {
- char *lasts = s + (len-1);
- char *lastd = d + (len-1);
- while (len--)
- *lastd-- = *lasts--;
- }
- return dest;
- }
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