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