if(h->ref || (data_bytes+sizeof(union alloc_header)) > (16LL<<h->bucket)) {
Украинцам запретили выступать на Паралимпиаде в форме с картой Украины22:58，更多细节参见搜狗输入法2026
It is possible to have zero-sized memory blocks (i.e. blocks consisting solely of an MCB header). The ALLOC function does not refuse to allocate zero-sized blocks. In addition, zero-sized blocks may be inevitably created in the course of calling other functions. For example, if an existing allocation is resized to be exactly one paragraph smaller, DOS will be forced to create precisely such a zero-sized MCB.，更多细节参见im钱包官方下载
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