cstring 是一个小型、简单的C类库，用来操作C语言风格的字符串。字符串是以 cstring_t 结构的实例展现，通过这个类库的方法来操作：
Selection of different allocator pools (including Global, COM Task and process heap allocators on Win32)
Mapping cstring_t instances as views onto existing memory areas
Efficient work-ahead memory optimisation
Minimal link requirements: only requires KERNEL32 and C standard library on Win32
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来自:开源中国社区
