ns_name_pton
int ns_name_pton(const char *, uchar_t *, size_t);
if (ns_name_pton(src, tmp, sizeof tmp) == -1)
n = ns_name_pton(key->dk_key_name, name, sizeof name);
n = ns_name_pton("", name, sizeof name);
n = ns_name_pton(name, buf2, sizeof(buf2));
n = ns_name_pton(alg, buf2, sizeof(buf2));