#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
volatile int dummy;
static timeout_t age_subnets_timeout;
/* RFC 1071 */
checksum = (checksum & 0xFFFF) + (checksum >> 16);
}
// Work around a compiler optimization bug.
if(checksum) {
dummy = 1;
return ~checksum;
-