Georg Bauhaus wrote: (There are at least two bugs in this :-/ but corrections won't change the picture. Neither will initialisation.)
#define BUFFER_SIZE 1000 // must be > 0 #define ITERATIONS 100000 // must be > 0
assert(hi > 0);
for (size_t c=0; c < hi + 2; ++c) {
if (a[c]) {
