struct genhashtable * genallocatehashtable(unsigned int (*hash_function)(void *),int (*comp_function)(void *,void *));
void genfreehashtable(struct genhashtable * ht);
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+void genrehash(struct genhashtable * ht);
void * getnext(struct genhashtable *,void *);
int genputtable(struct genhashtable *, void *, void *);
void * gengettable(struct genhashtable *, void *);