1#include <string.h> 2void *memcpy(void *__dest, __const void *__src, size_t __n) 3{ 4 int i; 5 char *d = (char *) __dest, *s = (char *) __src; 6 7 for (i = 0; i < __n; i++) 8 d[i] = s[i]; 9 10 return __dest; 11} 12