> GCC will still emit calls to memcpy, memmove, memset, and memcmp, so you may need to define these. So you write a memcpy implementation, GCC figures this jus

> GCC will still emit calls to memcpy, memmove, memset, and memcmp, so you may need to define these. So you write a memcpy implementation, GCC figures this just copies memory and emits a call to memcpy!