It does not implement many of the other memory functions, such as realloc .

它没有实现很多其他的内存函数，比如realloc 。

youdao

The malloc , free and realloc routines should be as fast as possible in the average case.

malloc free和realloc例程在平均情况下应该尽可能的快。

youdao

For the oddest example, some early versions of Unix allocators allowed programmers to realloc memory that had already been freed.

举个最奇怪的例子，一些早期版本的Unix分配器允许程序员realloc已经被释放了的内存。

youdao