static int countnode234(node234 *n) {
int count = 0;
int i;
+ if (!n)
+ return 0;
for (i = 0; i < 4; i++)
count += n->counts[i];
for (i = 0; i < 3; i++)
LOG(("deleting item %d from tree %p\n", index, t));
while (1) {
while (n) {
- int c;
int ki;
node234 *sub;