(PHP 7 >= 7.4.0, PHP 8)
FFI::memcpy — Copies one memory area to another
   Copies size bytes from the memory area from
   to the memory area to.
  
toThe start of the memory area to copy to.
fromThe start of the memory area to copy from.
sizeThe number of bytes to copy.
Nessun valore viene restituito.
