pfctl_get_rulesets
int pfctl_get_rulesets(struct pfctl_handle *h, const char *path, uint32_t *nr);
if ((ret = pfctl_get_rulesets(pfh, npath, &mnr)) != 0)
if ((ret = pfctl_get_rulesets(pfh, npath, &mnr)) != 0) {
if ((ret = pfctl_get_rulesets(pfh, anchor, &mnr)) != 0)
if ((pfctl_get_rulesets(pfh, anchorname, &mnr)) == ENOENT)