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不是因为得到的空间大，是因为你的字符串没有用0结尾

Posted by RoBa at 2005-12-31 00:57:09 on Problem 1008
In Reply To:Re:什么叫“超分配”？ Posted by:weapon at 2005-12-30 13:01:32 
> 就是比如s=(char *)malloc(5*sizeof(char));后，s得到的空间大于5个字符的空间，所以回来输出s的时候后面还有一些东西
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