void print_udev_pkt(void *buf, size_t bufsz) {
定存什么：要下标/距离就栈里存索引，只要值就存值或存索引再 nums[i] 取。
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AI for Dummies: Work Less, Earn More
likewise, the Documenter is superior for finding multiple large documents by an array field; in an analogous case but with smaller documents, the Elephant wins, interestingly
Max: 1386.063 ms | 1216.229 ms