notnullnotvoid

//sample output:
//[benchmark_func]    modulo branchless: 1000000 iters in 0.045876s min, 0.048180s max, 0.046400s avg
//[benchmark_func]         modulo basic: 1000000 iters in 0.025224s min, 0.025544s max, 0.025335s avg
//[benchmark_func]         manual print: 1000000 iters in 0.043660s min, 0.044033s max, 0.043822s avg
//[benchmark_func]        modulo lookup: 1000000 iters in 0.109280s min, 0.110357s max, 0.109678s avg
//[benchmark_func]      modulo multiply: 1000000 iters in 0.109537s min, 0.110182s max, 0.109707s avg
//[benchmark_func]          stack print: 1000000 iters in 0.276515s min, 0.280833s max, 0.278486s avg

#include <stdio.h>
#include <stdlib.h>