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12MP selfie cam
。关于这个话题，heLLoword翻译官方下载提供了深入分析
DOS programs often call ALLOC twice, first attempting to allocate FFFFh paragraphs, which will fail and return the maximum available size. The available maximum is then allocated in the next ALLOC call. Because DOS isn’t a multi-tasking OS, this simple approach reliably works.
if (len1 === 0) return [];