/**
 * The  memcpy()  function copies n bytes from memory area src to memory area dest.  The memory areas must not overlap.
 * @param dest
 * @param src
 * @param n
 * @return
 */
void *
memcpy(void *restrict dest, const void *restrict src, long unsigned n)
{
  char *pDest = (char *)dest;
  const char *pSrc = (const char *)src;

  while (n) {
    *(pDest++) = *(pSrc++);
    --n;
  }

  return dest;
}