CBS_contains_zero_byte
if (CBS_contains_zero_byte(cbs))
int CBS_contains_zero_byte(const CBS *cbs);
if (CBS_contains_zero_byte(&cbs))
if (CBS_contains_zero_byte(cbs))
int CBS_contains_zero_byte(const CBS *cbs);
if (CBS_contains_zero_byte(&hostname))
if (!CBS_contains_zero_byte(&ecpf)) {