Fiddle::Pointer#to_s

# File tmp/rubies/ruby-3.4.1/ext/fiddle/lib/fiddle/ffi_backend.rb, line 412
def to_s(len = nil)
  if len
    ffi_ptr.get_string(0, len)
  else
    ffi_ptr.get_string(0)
  end
rescue FFI::NullPointerError
  raise DLError.new("NULL pointer access")
end