ref: e8f5e0909f4a7c7ae2c4e85f563e6b4da88aa98f 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); }