for (int i = 0; i < data->num; i++) {
int first = MAX(data->entries[i].first, data->firstMessage);
int last = MIN(data->entries[i].last, data->lastMessage);
for (int i = 0; i < data->num; i++) {
int first = MAX(data->entries[i].first, data->firstMessage);
int last = MIN(data->entries[i].last, data->lastMessage);