memset(&pollop, 0, sizeof(pollop));
if (!(pollop = calloc(1, sizeof(struct pollop)))) return (NULL);
poll_init(void){	/* Disable kqueue when this environment variable is set */	if (!issetugid() && getenv("EVENT_NOPOLL"))		return (NULL);	memset(&pollop, 0, sizeof(pollop));	evsignal_init(&pollop.evsigmask);	return (&pollop);}