A memcmp (memory compare) operation is performed on the page and node's page of consideration.
一个memcmp(内存比较)操作将在该页面和相关节点的页面上执行。
Although comparing 4kb pages seems fairly heavyweight, in most cases, the memcmp will end prematurely once a difference is found.
尽管比较4kb的页面似乎是相当重量级的比较，但是在多数情况下，一旦发现一个差异，memcmp将提前结束。
Some tests are functional tests; it's not enough to know that a function called memcmp is provided, it has to actually have the correct semantics.
有一些测试是功能测试；它不足以确定是否存在一个名为memcmp的函数，它的语义必须正确。
Some tests are functional tests; it's not enough to know that a function called memcmp is provided, it has to actually have the correct semantics.
有一些测试是功能测试；它不足以确定是否存在一个名为memcmp的函数，它的语义必须正确。
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