uthash是一个C语言的hash表实现。它以宏定义的方式实现hash表，不仅加快了运行的速度，而且与关键类型无关的优点。

uthash支持：增加、查找、删除、计数、迭代、排序、选择等操作。

-Uthash is a C language of the hash table implementation. It realize the hash table, in the form of a macro definition not only accelerated the speed of running, and has nothing to do with the key type of advantage.

Uthash support: add, search, delete, count, iteration, sorting, selection of operation.