ref: 7e91f1538aa559da9f3b6a479c2d4227d6be9c38
dir: /hashing.h/
#pragma once value_t nextipow2(value_t i) fl_constfn; value_t inthash(value_t a) fl_constfn; uint32_t int64to32hash(uint64_t key) fl_constfn; uint64_t memhash(const char* buf, size_t n); uint32_t memhash32(const char* buf, size_t n);