ref: 332f070e5a51e5fcc1f2f17f15f67aa98a01b5f4 dir: /sys/src/ape/lib/ap/alpha/memcpy.c/
#include <string.h> void* memcpy(void *a1, const void *a2, size_t n) { return memmove(a1, a2, n); }