static bool below_threshold(struct statfs buf, const char *prefix_type, const char *threshold_type, const double low_threshold) {
#else
static bool below_threshold(struct statvfs buf, const char *prefix_type, const char *threshold_type, const double low_threshold) {
static bool below_threshold(struct statfs buf, const char *prefix_type, const char *threshold_type, const double low_threshold) {
#else
static bool below_threshold(struct statvfs buf, const char *prefix_type, const char *threshold_type, const double low_threshold) {