pfctl_apply_timeout
if (pfctl_apply_timeout(pf, $1, $2, 0) != 0) {
if (pfctl_apply_timeout(pf, "interval", $2, 0) != 0)
if ((r = pfctl_apply_timeout(pf, hint[i].name,
int pfctl_apply_timeout(struct pfctl *, const char *, int, int);