Checks if the poll call has returned true for a particular type of event

Property definitions

socket $ PollFD :: c_check_resp
	# Checks if the poll call has returned true for a particular type of event
	private fun c_check_resp(response: Int, mask: NativeSocketPollValues): Int
	`{
		return response & mask;
	`}
lib/socket/socket_c.nit:76,2--80,3