13 struct frand_state rand;
16 void zipf_init(struct zipf_state *zs, unsigned long nranges, double theta);
17 unsigned long long zipf_next(struct zipf_state *zs);
19 void pareto_init(struct zipf_state *zs, unsigned long nranges, double h);
20 unsigned long long pareto_next(struct zipf_state *zs);